[单项选择]The most important parameters affecting a rocket’s maximum flight velocity is the relationship between the vehicle’s mass and the amount of propellant it can carry.

[单项选择]What is the most important factor for a rocket to escape from the Earth


A. To travel as fast as it can.
B. To overcome the Earth gravity.
C. To get away from the air resistance.
D. To have strong power in its operation.

[单项选择]

Passage 4
One of the most authoritative voices speaking to us today is the voice of the advertisers. Its strident clamour dominates our lives. It shouts at us from the television screen and the radio loudspeakers; waves to us from every page of the newspaper; plucks at our sleeves on the escalator; signals to us from the successful man as a man no less than 20% of whose mall consists of announcements of giant carpet sales.
Advertising has been among England’s biggest growth industries since the war, in terms of the ratio of money earnings to demonstrable achievement. Why all this fantastic expenditure
Perhaps the answer is that advertising saves the manufacturers from having to think about the customer. At the stage of designing and developing a product, there is quite enough to think about without worrying over whether anybody will want to buy it. The designer is busy enough without adding customer——appeal to all his other problem
A. interferes with the privacy of our home life
B. influences our image of the kind of person we ought to be like
C. continually forces us into buying things we don't want
D. distracts us wherever we go

[单项选择]What is Hawaii's most important industry


A. Ship-building.
B. Fishing.
C. Mining.
D. Tourism.

[单项选择]Major earthquakes are among nature's most devastating (破坏性的) events, causing an incalculable loss of life and property.
A. unmentionable
B. unprofitable
C. impossible
D. immeasurable

[单项选择]Medical care reform has become this country's most important public health ______.
A. question
B. stuff
C. matter
D. issue

[单项选择]The republication of the poet's most recent works will certainly ______ his national reputation.


A. magnify
B. strengthen
C. enlarge
D. enhance

[单项选择]Some of Spielberg’s most successful movies came from _______
A. making children laugh
B. almost everything
C. a lot of money
D. his childhood memories
E. telling scary stories
F. a number of reasons

[单项选择]Obviously these are all factors affecting smooth operation, but the underlying problem is still to be identified.


A. operational
B. fundamental
C. operating
D. underneath

[单项选择]Jack's father thought most children went to school by taxi.

[单项选择]Yesterday's strike caused the most confusion for ______.


A. employers
B. commuters
C. police
D. tourists

[单项选择]The author' s attitude toward the culture in most factories is best described as ______.


A. cautious
B. critical
C. disinterested
D. respectful

[单项选择]During the opera's most famous aria the tempo chosen by the orchestra's conductor seemed （）, without necessary relation to what had gone before.
A. tedious
B. melodious
C. capricious
D. cautious

[简答题]China, the world's most populous nation, joined the World Trade Organization on November 10, 2001, thus ending 15 years of negotiations, offering China a new place at the table of nations and giving new life to centuries of dreams.