This passage is mainly about how to conduct a survey.（）

Why is Ms. Charlotte calling Ms. Wong?

A．To conduct a survey

B．To reschedule an appointment

C．To inform. her about a special offer

D．To ask for her new contact information

The main idea of the passage is to explain______.

A．how to treat a sprained ankle

B．how a sprain occurs

C．how to bandage an injured foot

D．how to reduce the temperature

The main idea of the passage is to explain______.

A．how to treat a sprained ankle

B．how a sprain occurs

C．how to bandage an injured foot

D．how to reduce the temperature

The main idea of the passage is to explain

A.how a sprain occurs

B.how to treat a sprained ankle

C.how to bandage an inj ured foot.

D.how to reduce the temperature of a wounded area.

By saying "To justify that headline, the wholesalers' group focused on another part of the survey that asked respondents if they knew a teen who had purchased alcohol online", the author implies that______.

A．it is absurd to conduct a survey among teenagers

B．the ways the wholesalers' group conducted surveys are statistically questionable

C．this kinds of survey is preliminary, therefore undependable

D．teenagers might not be honest since buying alcohol online is an indecent behavior

The main idea of the passage is to explain

A.how a sprain occurs

B.how to bandage an injured foo

C.how to treat a sprained ankle

D.how to reduce the temperature of a wounded area

What can we learn about Mr. Dantas according to the whole passage?

A．He is a gifted financier and less socialized person.

B．He always enjoys notorious fame in economic and political field.

C．He is a vegetarian who likes making food by himself.

D．His tragedy was mounted by the government conspiracy.

The author's purpose in writing this passage is to ___________

A．show that taste preference is highly subjective

B．argue that taste testing is an important marketing strategy

C．emphasize that taste and price are closely related to each other

D．recommend, that blind tasting be introduced in the quality control of colas