The author uses the expression "those babies" （Line 4, Para. 2) to refer to high heels to

A.narrative

B.arrangement

C.characterization

D.introduction

The author uses the example of middleman to show

A．market transactions are important in different countries.

B．dealers are needed in doing business.

C．middlemen can play great role in different transactions and different countries.

D．middlemen in different countries have different actions in business.

The author uses the example of cancer patients to show that______.

A．medical resources are often wasted

B．doctors are helpless against fatal diseases

C．some treatments are too aggressive

D．medical costs are becoming unaffordable

A．Objective

B．Sarcasti

C．Pessimistic

D．Optimisti

C．

The author uses the example of caner patients to show that

A. medical resources are often wasted.

B. doctors are helpless against fatal diseases.

C. some treatments are too aggressive.

D. medical costs are becoming unaffordable.

To give us an idea of how large the rafflesia is, the author uses ______.

A. the size of an elephant for comparison

B. measurements

C. comparisons to other flowers

D. detailed descriptions of the flower's stem

The author uses the example of a monkey to argue that robots are

A expected to copy human brain in internal structure.

B able to perceive abnormalities immediately.

C far less able than human brain in focusing on relevant information.

D best used in a controlled environment.

The author uses the example of achondroplasti dwarfism to

A．show us how people suffer from the disease.

B．illustrate that a single defective gene can give rise to a serious disease.

C．point out the causes of all genetic diseases.

D．relate a defective gene with a recessive gene.

A．makes employees satisfied with their work

B．drives employees to work more efficiently

C．causes employees to leave their company

D．keeps employees to remain in their company