物理
运动学、受力分析、电学与方程推导。
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wilma is 48 tall and needs to get a glass from a top shelf of a cabinet…
B. using a stool or a small ladder to reach the glass
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strong swimmers do not need to restrict themselves to swimming in areas…
F
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what is one environmental concern associated with natural gas extractio…
groundwater contamination
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young children are at risk of developing rickets if they check all that…
are breastfed, have dark skin, have limited sunlight exposure, have little or no vitamin D intake
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which environmental issue is primarily associated with burning coal? wa…
B. air pollution
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are the following characteristics true for series circuits, parallel ci…
- Follows Ohm’s Law: Both - Is a closed conductive path: Both - Voltage drops are the same for all resistors: Parallel - If a resistor is removed, nothing happens to the other res…
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which of the following could be a potential safety hazard of indoor rec…
D. a liquid spill on the floor that was not cleaned
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which fossil fuel needs to migrate into pockets in order for humans to …
B. petroleum
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most fossil fuels derive their energy from which of these prehistoric p…
decomposition
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it is not necessary to wear a lifejacket on a boat as long as there is …
F
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recreational water illnesses can only be contracted in fresh water sour…
F
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which of these items in garbage has the highest btu content when burned…
plastic
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while human breast milk has a near - perfect nutritional profile for in…
400 IU
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the diagram below shows the activation of vitamin d label the forms of …
Skin: 7 - dehydrocholesterol; Liver: 25 - OH Vitamin D (calcidiol); Kidneys: 1,25 - di - OH Vitamin D (calcitriol)
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question 2 of 10 people without a college education: a. are more likely…
B. earn on average $2 million less over the course of a lifetime than those who have a college education.
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25) in september, 2010, the us geological survey published the scatter …
B. The number of strong earthquakes is about the same over the time period.
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one responsibility of the center for drug evaluation and research is to…
F
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which of the following is the best way to ensure you are receiving the …
C. eating a wide variety of foods
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read each question and choose the best answer. how did the relationship…
D. The Pure Food and Drug Act empowered the federal government to test and monitor the production and sale of food.
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some people think that a low - carbohydrate diet is healthy. which of t…
A. Many people are able to lose weight with the diet.
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you should be worried about the safety of a healthcare product if you s…
B. Miracle cure
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the way a chef prepares a food dish affects a. how many nutrients are a…
D. all of the above
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which of these is an advantage of the disc brake system over drum brake…
B. Disc brakes reduce the likelihood of brake fade.
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tech a says that the low level brake fluid switch on a master cylinder …
a. Tech A
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the ________ valve is in the master cylinder or in a separate unit in t…
d. Pressure - sensitive; load - sensitive
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what safety standard did david m. theno implement at jack in the box re…
A. All refrigerated delivery trucks were required to have a record - keeping thermometer mounted inside.
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using evidence to dispel myths or false beliefs is one way to move clos…
T
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technician a says that if none of the brake lights illuminate when depr…
C. Both Technician A and Technician B
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doing sit - ups will not reduce belly fat because __________.a. sit - u…
A. sit - ups do not burn enough calories to reduce fat
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which of the following is not a disadvantage of disc brakes when compar…
d. Disc brakes fade more quickly during long/hard braking.
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which statement best evaluates an authors use of support? a. the author…
A. The author uses information from several credible sources, but the facts don't fit together and they feel forced.
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technician a states that quick take - up master cylinders were created …
B. Technician B
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technician a says that vacuum boosters use only single diaphragms to ex…
d. Neither Technician A nor Technician B
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technician a says that vacuum boosters use only single diaphragms to ex…
d. Neither Technician A nor Technician B
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what logical evidence do levitt and dubner present in response to the c…
B. might make deals so one wins one match and the other wins the next.
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animal testing is responsible for many of the life - saving treatments …
B. "Without animal testing, vaccines for deadly diseases like smallpox would never have been discovered," says Dr. Emile Scott.
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historic events the quebec referendum (1995) pre-reading a. warm-up que…
1. e 2. i 3. b 4. a 5. f 6. k 7. j 8. h 9. c 10. g 11. l 12. d
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what is an example of an essential service that a craft professional mi…
restoring electricity
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skull (see x - ray scan on the left) and strands of his hair that were …
CT scans showed an arrowhead.
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the image on the right is a recreation. scientists were able to determi…
freezer; moss
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the image on the right is a recreation. scientists were able to determi…
freezer
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which two construction crafts require a minimum of a 4 - year college d…
civil engineer, architect
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question 17 mark this question which of the following conditions would …
Decompression sickness
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complete the sentence with the best relative pronoun. at the bloody bat…
which
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personal trainers perform completely different functions for their clie…
F
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moral diplomacy and dollar diplomacy quick check contrast the foreign p…
Theodore Roosevelt: intervene with military force. William Howard Taft: invest in foreign economies. Woodrow Wilson: act based on moral imperatives.
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which type of doctor treats the largest range of ailments? a anesthesio…
C. pediatrician
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two teams are playing tug of war. the tables show the members of each t…
20 N to the left
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net force and acceleration quick check four friends push on the same bl…
south and west
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net force and acceleration quick check a boy who exerts a 300 - n force…
70 N
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net force and acceleration quick check if a ball is accelerating down t…
The gravitational force is greater than the drag.
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net force and acceleration quick check if multiple forces are acting on…
The acceleration will be directed in the direction of the net force.
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10 multiple choice 1 point which of the following are a correct example…
A. A book pushes on the table and the table pushes back against the book.
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question 3 mark this question which organ system produces hormones that…
Endocrine system
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primary care physicians are responsible for diagnosis and treatment. pl…
T
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the only question you should ask a personal trainer is whether or not t…
F
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a high school science lab recently misplaced all of their triple beam b…
\(20\space kg\)
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those who are ill should see a specialist before visiting their primary…
F
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which of the following professionals cannot diagnose a patient? a. medi…
C. nurse
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harry has medical insurance through an hmo. he would like to see a podi…
B. get a referral from his primary care physician
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which of the following lever arms will produce the greatest torque? a b…
A. Option A
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a ball weighing 10 kg traveling at 1.4 m/s hits and rebounds back off a…
\(0\space J\)
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which type of doctor specializes in teeth and jaw alignment? a psychiat…
D. orthodontist
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quiz 40:05 time remaining what is the net force acting on the object ab…
2N Left
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multiple choice 1 point suppose that a sled is accelerating at a rate o…
\(12\ m/s^{2}\)
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community healthcare clinics often receive some level of government fun…
B. offer financial assistance to low - income patients
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a hydraulic system at the mechanic shop can perform up to 180,000 joule…
\(9000\)
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when choosing a healthcare provider, who is responsible for making sure…
A. you
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a weightlifter is holding a 200 - kg barbell at a height of 1 meter abo…
\(0\)
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which of the following developed technologies has not greatly increased…
C. typewriter
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the pacman arcade game went out of order at fat maxs arcade. max is dra…
990
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formula 1 point a baseball of mass 2 kg is thrown by a pitcher with a f…
\(10.5m/s^{2}\)
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a workman carries some lumber up a staircase. the workman moves 9.6 m v…
C. \(432\ Nm\)
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current attempt in progress the figure gives the lateral magnification …
\(0.11\)
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possible interaction with other medications is a risk when choosing a n…
T
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when a 45 n object falls to the ground from a height of 4.6 m. how much…
B. \(304\space Nm\)
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quiz 44:15 time remaining 1 multiple choice 1 point a car is driving al…
The fly has less mass than the car, so the force it experience will cause a greater amount of acceleration than the car would experience.
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natural remedies are usually more effective and safer because they are …
F
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which of these statements is not true? a. advertising is not a contribu…
A. Advertising is not a contributing factor for underaged alcohol drinking.
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you can calculate distance from work and force with the equation a dist…
D. Distance = Work/Force
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work equals force multiplied by ______. enter the answer
distance
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medical information is more readily available now than at any point in …
T
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a beam of unpolarized light in air is incident on an unknown material. …
1.33
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clarissa climbs into the back of the truck to tie the lawn mower in pla…
d. 480 N
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in the figure below, a light ray travels in material 1, which has an in…
1.88
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when calculating work, force is measured in a joules. b newtons. c foot…
B. newtons.
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you can calculate force from work and distance with the equa a force = …
D. Force = Work/Distance
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in order to maintain good sleep hygiene, it is best to reserve your bed…
T
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the si unit for work is the enter the answer
Joule (J)
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if you apply 20 newtons of force to do 60 joules of work on an object, …
\(3\)
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what is a common hygiene practice for all parts of the body? a. shaving…
B. regular cleaning
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what is the equation for calculating work when force and distance are k…
C. work = force × distance
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one joule equals the amount of work that is done when 1 n of force move…
B. \(1\space m\)
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personal hygiene is important to others because a. it helps to prevent …
A. it helps to prevent the spread of disease
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the critical angle for a ray incident in material x at the boundary of …
1.24
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a lack of sleep can negatively affect many areas of your life. please s…
T
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if youre trying to get to sleep, you should not a. think about stressfu…
A. think about stressful topics while in bed
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regular visits to the dentist should be scheduled every a. 3 months b. …
B. 6 months
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rank the following consequences of sunlight exposure from least serious…
C. sunburn, premature aging, skin cancer
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one way to ensure good sleep hygiene is to change your bedtime frequent…
F