[单项选择]It was essential that the application forms ______ back before the deadline.
A. must be sent
B. would be sent
C. be sent
D. were sent

[单项选择]It is essential that these application forms ______ back as early as possible.
A. must be sent
B. will be sent
C. are sent
D. be sent

[单项选择]The essential elements of science fiction include


A. a narrator, a plot, environment
B. a story, surroundings, heroes
C. a narrator, a story, theme
D. a narrator, a story, a plot, character, setting, language

[单项选择]Modern forms of transportation and communication have done much to ______ the isolation of life in Alask
A. A． break downB. break intoC. break outD. break through

[单项选择]

Passage Two
Direct adverting includes all forms of sales appeals, mailed, delivered, or exhibited directly to the prospective buyer of an advertised product or service, without use of any indirect medium, such as newspapers or television. Direct advertising logically may be divided into three broad classifications, namely, direct-mail advertising, mail order advertising, and unmailed direct advertising.
All forms of sales appeals that are sent through the mails are considered direct-mail advertising. The chief functions of direct-mail advertising are to familiarize prospective buyers with a product, its name, its maker, and its merits and with the product’s local distributors. The direct-mail appeal is designed also to support the sales activities of retailers by encouraging the continued patronage of both old and new customers.
When no personal selling is involved, other methods are needed to persuade people to send in orders by mall. In addi
A. would be
B. prosperous
C. rich
D. old

[单项选择]

It is essential that applicants whose first language is not English （） sufficient linguistic competence to avoid any delay or difficulty in pursuing their studies.

A. had obtained
B. would have obtained
C. should have obtained
D. must obtain

[单项选择]The following three concepts are essential to the OSI model:service,interface and
A. networks
B. applications
C. protocols
D. layers

[单项选择]What forms of radiation are feared by astronauts


A. Radiation from the sun.
B. Radiation from the Van Allen Belts.
C. Radiation from the meteors.
D. Both Ａ and Ｂ.

[单项选择]Advertising is different from other forms of communication ______ the advertisers pay for the message to be delivered.
A. in order that
B. where
C. in that
D. in the way

[单项选择]Advertising is distinguished from other forms of communication______ the advertiser pays for the message to be delivered.


A. whereas
B. in that
C. in which
D. because of

[单项选择]What plays an essential role in making the nation prosperous according to this passage
A. Its money.
B. Its trade.
C. Its natural resources.
D. Its peopl

[单项选择]The advanced life forms in nature are all symmetrical, instead of being （）.
A. separated
B. disproportionate
C. mutable
D. imprecise

[单项选择]How many common forms of sugar are exemplified in this passage .


A. One.
B. Two.
C. One hundred.
D. Several hundreds.

[单项选择]

Most young people enjoy some forms of physical activity. It may be walking, bicycling, or swimming, or in winter, skating or skiing. It may be a game of some (36) -- football, hockey, golf or tennis. It may be mountaineering.
Those who have a passion for (37) high and difficult mountains are often (38) with astonishment. Why are men and women willing to (39) cold and hardship, and to take risks on high mountains This astonishment is caused, (40) , by the difference between mountaineering and other forms of activity to (41) men give their leisure. Mountaineering is a sport and (42) a game. There are no man-made roles, (43) there are for such games as golf and football. There are, (44) rules of a different kind which it would be dangerous to (45) , but it is this freedom from man-made rules that makes mountaineering (46) to many people. Those who climb mountains are (47) to use their own met
A. luxurious
B. attractive
C. painful
D. noticeable