Question

acupuncture
http://nccam.nih.gov/health/acupuncture/#visit
what is acupuncture?
1 acupuncture is one of the oldest, most commonly used medical
procedures in the world. originating in china more than 2,000 years ago,
acupuncture began to become better known in the united states in 1971,
when new york times reporter james reston wrote about how doctors in
china used needles to ease his pain after surgery.
2 the term acupuncture describes a family of procedures involving
stimulation of anatomical points on the body by a variety of techniques.
american practices of acupuncture incorporate medical traditions from
china, japan, korea, and other eastern countries. the acupuncture
technique that has been most studied scientifically involves penetrating the
skin with thin, solid, metallic needles that are manipulated by the hands or
by electrical stimulation.
the syntax used in this passage belongs to which style of writing?
a formal
b informal
c dialectic
d persuasive

Explanation:

The passage provides factual information about acupuncture in a clear and objective manner, which is characteristic of formal writing. It does not use slang, contractions, or an overly personal tone (which would be informal). Dialectic refers to a method of logical argumentation, which is not relevant here. Persuasive writing aims to convince the reader of a particular viewpoint, but this passage is simply informing about acupuncture.

Answer:

A. formal