[单项选择]There have been quite a number of road ______today because of yesterday's snowstorm.
A. incidents
B. accidents
C. accident
D. incident

[单项选择]There have been quite a number of road ______today because of yesterday's snowstorm.
A. incidents
B. accidents
C. accident
D. incident

[单项选择]Today，household chores have been made much easier by electrical _____ .
A. facilities
B. equipment
C. appliances
D. utilities

[单项选择]In the past most pilots have been men, but today the number of women ______ this field is climbing.
A. shamming
B. devoting
C. registering
D. pursuing

[单项选择]Children have been said to have brain-injured child syndrome, hyperactive (极度活跃的) child syndrome and attention-deficit disorder (ADD). As early as the 1940’s, psychiatrists have (67) children with hyperactivity and extremely distracted and impulsive (冲动的). These frequent name changes show how (68) researchers are about the causes (69) the problem and the diagnostic criteria for the disorders. In the past several years, the people who (70) attention deficit hyperactivity disorder (ADHD) have (71) to clarify the disorder’s causes and (72) , and have reasons to believe that it may be genetic. Today’s view (73) this disorder is very different from the beliefs of just a few years ago. Researchers are finding that ADHD is not a disorder of just attention, but is from a developmental (74) in the brain’s circuitry and self-control. The loss of self-control (75) other important brain functions mandatory for maintai
A. Moreover
B. Nevertheless
C. Anyway
D. Whenever

[单项选择]I have been trying to quit smoking.
A. give up
B. pick up
C. build up
D. take up

[单项选择]The plant products have been carefully inspected and are considered to be ( ) from any quarantine pests.
A. out
B. away
C. free
D. far

[单项选择]Americans have been criticized for placing too much （　） on being on time.
A. emphasis
B. activity
C. bother
D. assistance

[单项选择]Major manufacturers have been using "quality circle" with undeniable success for more them two decades.
A. 100 years
B. 20 years
C. 50 years
D. 10 years

[单项选择]The selection says that spiders have been discovered ______.
A. five miles above earth
B. more than 2000 feet underground
C. everywhere that man has reached
D. both A and B

[单项选择]What actions have been take by the government

[单项选择]Their relationships with their parents have been so ______ that they are no longer able to communicate.


A. restless
B. distant
C. tight
D. strained

[单项选择]Attitudes to leisure have been much influenced by the modern love of moving around and by the ease of travel.
The British enjoy the family outing. Most people choose well-known beauty spots, or seaside beaches. Others choose a lonely place, where there are very few people. They may follow tracks between the mountains and lochs and watch seals and seabirds.
Food in British hotels and restaurants is reasonably cheap, but hotel rooms are not. The English people rent house or flats for their holidays, but one of the traditional ways of spending a summer holiday is in a boarding house. A house like this may have a card in its window advertising bed and breakfast. In seaside towns there are whole streets of houses, almost every one of which has such notice in window.
In recent years several new holiday habits have developed. Among them; the most interesting one is the growth of the so-called holiday camps. They consist usually of great numbers of small, and often quite c
A. They don’t like going outing with family members.
B. Seaside beaches are very popular for most of them.
C. They like driving their cars to travel.
D. They prefer to stay in hotels.

[简答题]Since Darwin, biologists have been firmly convinced that nature works without plan or meaning, pursuing no aim by the direct road of design. But today we see that this conviction is a fatal error. Why should evolution, exactly as Darwin knew it and described it, be planless and irrational Do not aircraft design engineers work, at precisely that point where specific calculations and plans give out, according to the same principle of evolution, when they test the serviceability of a great number of statistically determined forms in the wind tunnel, in order to choose the one that functions best Can we say that there is no process of natural selection when nuclear physicists, through thousands of computer operations, try to find out which materials, in which combinations and with what structural form, are best suited to the building of an atomic reactor They also practise no designed adaptation, but work by the principle of selection. But it would never occur to anyone to call their me