更多"A) if C) althoughB) unles"的相关试题:
[单项选择]A) due that C) although
B) in any case D) where
A. due that
B. in any case
C. although
D. where
[单项选择]A) if C) whether
B) unless D) that
A. if
B. unless
C. whether
D. that
[单项选择]We cannot exploit C and D unless ______.
A. the prices of commodities produced by A and B are raised
B. we export large quantities of commodities produced by A and B
C. the producers in C and D are compensated for the disadvantages under which they operate
D. we allow duties to be paid to the producers in C and D rather than to the government
[单项选择][A] Although [C] Unless
[B] If [D] Until
A. Although
B. If
C. Unless
D. Until
[单项选择]I'd ______ the operation unless it is absolutely necessary.
A. rather not have
B. rather not to have
C. not rather had
D. rather not having
[单项选择]I'd ____________ the operation unless it is absolutely necessary.
A. rather not have
B. rather not to have
C. not rather had
D. rather not having
[单项选择]People shouldn't smoke unless
A. they are having public meetings
B. in buses or ball-rooms
C. invited by the hostess near the end of the meal to do so
D. they walk on the street
[单项选择]Don't speak unless you
A. ask to
B. are asked to
C. asked
[单项选择]Unless Jessica finishes inputting her documents by 2:00, there is no chance she will ______ the project deadline.
A. meet
B. fulfill
C. arrive
D. accomplish
[单项选择]Unless the population growth stabilizes, environmentalists predict a worldwide starvation by the next decade.
A. famine
B. shortage
C. rebellion
D. infection
[单项选择]The population will be increasing very fast unless they （） with new methods to deal with it.
A. come to
B. come away
C. come over
D. come up
[单项选择]
B
Unless we spend money spotting and preventing asteroids now, one might crash into Earth and destroy life as we know, say some scientists.
Asteroids are different forms of the meteoroids that race across the night sky. Most orbits the sun far from Earth and don’t threaten us. But there are also thousands of asteroids whose orbits put them on a violent coming course together with Earth.
Buy $ 50 million worth of new telescopes right now. Then spend $10 mil]ion a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we’ll have a way to change its course.
Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn’t be cheap.
Is it worth it Two things experts consider when judging any risk are: 1) How likely the event is; and 2) How bad the consequences if the event occurs. Experts think asteroids big enough to destroy lots o
A. He likes finding fault and giving his own severe judge.
B. He believes whatever happens will be good and things will end well.
C. He thinks whatever happens will be based on chance rather than reason.
D. He thinks anything will not exist outside people's mind.
