更多"A. If B. When Ci U"的相关试题:
[单项选择]Don't speak unless you
[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
[判断题]在企业CI系统中，VI处于CI的核心与灵魂地位。
[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
[判断题]企业视觉识别是CI的灵魂所在，是CI的最终决策层。
[单项选择]The touch excites no defensive response unless the approach is from above where the spider can see the motion,（）on its hind legs, lifts its front legs, opens its fangs and holds this threatening posture as long as the object continues to move.
A. in which case it rises
B. in that case it rises
C. in which case does it rise
D. such being the case it rises
[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]Unless you give us a satisfactory explanation about quality, we will have no choice but to reject your goods.
A. 除非你方能在质量方面给一个满意的答复，否则我们将不再选择，而是拒绝你方的货物。
B. 除非你方能就质量问题给一个满意的解释，否则我们只能拒绝你方的货物。
C. 只要你们的解释能让我们满意货物的质量，我们就不会拒绝你们的货物。
D. 只要你们的解释不能让我们满意，还存在质量问题，我们将拒绝你们的货物。
[单项选择]The written contract usually holds, unless satisfactory proof is available that you were ______ to sign the contract through false or fraudulent representations, and this is always difficult to prove.
A. elicited
B. excited
C. deduced
D. induced
[单项选择]Sooner or later the forests will disappear unless ______.
A. every country has a plentiful supply of trees
B. every government has a good education system
C. all the people realize how important it is to keep a plentiful supply of trees
D. every government realizes the importance of trees services
[单项选择]Unless you sign a contract with the insurance company for your goods, you are not entitled ______ a repayment for the goods damaged in delivery.
A. to
B. with
C. for
D. on
[单项选择]The water will be further polluted unless some measures ______.
A. will be taken
B. are taken
C. were taken
D. had been taken
[单项选择]
Unless we spend money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists.
Asteroids are bigger versions of the meteoroids (流星) that race across the night sky. Most orbit the sun far from Earth and don’t threaten us, But there are also thousands of asteroids whose orbits put them on a collision course with Earth.
Buy $ 50 million worth of new telescopes fight now. Then spend $ 10 million 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; and2) How bad the consequences ff the event occurs. Experts think an asteroid big enough to destroy lots of life might strik
A. Optimistic.
B. Critical.
C. Objective.
D. Arbitrary.
