[单选题]No.1 engine shut down during climbing out, we intend to _______ .
A.go around
B.return to land
C.make a low approach
D.abandon takeoff

[单选题]KLM 869, we’ve shut down No.2 engine after lightning strike, we intend to turn round, but we have to _______ 30 tons of fuel first.
A.dump
B.burn
C.refuel
D.use up

[单选题]“Port engine air intake ingested a bird during climbing out.” means a bird was _______ .
A.congested
B.taken in
C.knocked down
D.shut in

[单选题]We’ve just been struck by _______ during climb out and we’re returning.
A.UFO
B.a big bird
C.gravel
D.windshear

[单选题]We nearly stalled during the climb out, _______ probably released in the rear hold.
A.fuselage
B.crew
C.passengers
D.cargo

[单项选择]Hadn't the bus broken down, we（）the train.
A. catch
B. had caught
C. could catch
D. should have caught

[单项选择]By cutting down trees we _______ the natural habitat of birds and animals.


A. damage
B. injure
C. hurt
D. wound

[单项选择]No sooner had we sat down we found it was time to go.


A. than
B. when
C. as
D. while

[判断题] Calm down!We will try our best to meet your friends. ( )
A.正确
B.错误

[单项选择]

During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (21) phenomenon of race consists of a few surface indications.
We judge race usually (22) the coloring of the skin: a white race, a brown race, a yellow race and a black race. But (23) you were to remove the skin you could not (24) anything about the race to which the individual belonged. There is (25) in physical structure, the brain or the internal organs to (26) a difference.
There are four types of blood. (27) types are found in every race, and no type is distinct to any race. Human brains are the (28) . No scientists could examine a brain and tell you the race to which the individual belonged. Brains will (29) in size, but this occurs within every race. (30) does size have anything to do with intelligence. The largest brain (31) ex
A. since
B. if
C. as
D. while

[单项选择]Now that we've worked out the plan, we must put it into ______ as soon as possible.

[单项选择]When father suggested that we dine out for dinner, we ______ the nearby restaurant at once.


A. set off
B. made for
C. sent for
D. got to

[单项选择]

Passage One
All that we really need to plot out the future of our universe are a few good measurements. This does not mean that we can sit down today and outline the future course of the universe with anything like certainty. There are still too many things we do not know about the way the universe is put together. But we do know exactly what information we need to fill in our knowledge, and we have a pretty good idea of how to go about getting it.
Perhaps the best way to think of our present situation is to imagine a train coming into a switch yard(调车场). All of the switches are set before the train arrives, so that its path is completely determined. Some Switches we can see, others we cannot. There is no ambiguity (不明确) if we can see the setting of a switch; we can say with confidence that some possible futures will not materialize (实现) and others will. At the unseen switches, however, there is no such certainty. We know the train will take one of the trac
A. They tell us which one of the tracks the universe will use.
B. They enable us to alter the course of universe.
C. They give us information about the lunar surface.
D. They determine which course the universe will take in the futur