______(1)
A.doubt 
B.reason  
C.purpose     
D.motive

Part II. In about 140 words, write a paragraph about  the reasons why travelling is becoming more populars.
A.
B.
C.
D.

Part I. Finish each of the following sentences in such a way that it means the same as the sentence printed before it.


1. The students regretted that they had missed the lecture.


The students regretted not .................................................


2. The workers only called off the strike after a new pay offer.


Only after ................................................................................


3. “Don’t leave the house until I get back, William,” his mother said.


William ‘s mother told .......................................................................


4. You should take two tablets every four hours.


Two tablets should ...........................................


5. It ‘s such a marvelous opportunity that we mustn’t miss it.


It ‘s too ..................................................................................
A.
B.
C.
D.

A.architecture     
B. recognize  
C.artificial     
D.argument

It can be interred from the passage that fibroblast cells __________
A.disfuncition in the aging process of the body ‘s immune system
B.are not a focus in cellular research on aging
C. are similar to cancer cells in rate of division
D.divide fewer times at later stages in human life

The word “ culture” in paragraph 1 is closest in meaning to __________
A. libraries 
B.a society ‘s traditions and values
C.a special environment    
D.a toxic substance

The author of the article points out that cancer cells __________
A. divide infinitely                
B.divide and then die
C.divide more in adults than in embryos 
D.bring on aging

The word “ vein” in paragraph 1 is closest in meaning to _________
A.part of the body      
B.point of view
C. blood vessel      
D.cellular level

In paragraph 1, the word “evidence” refers to ____________
A. evidence of aging 
B.evidence of cancer
C.evidence of human fibroblasts    
D. evidence of cell division

The author believes the theories of aging are _________
A.well – supported hypotheses
B.poorly supported hypotheses
C.proven theories       
D. interesting ideas