1、If you want to telephone him, you will have to____the number.
A.look at
B.look through
C.look to
D.look up
2、After the campaign a special medal was____to all combatants.
A.gained
B.awarded
C.deserved
D.donated
3、He spoke so quickly that I didn’t____ what he said.
A.catch
B.receive
C.listen
D.accept
4、This young tree could not have been damaged by accident; I believe it was done____.
A.in fact
B.on purpose
C.by plan
D.By appointment
5、He is not well off, for he lives from hand to_____.
A.nose
B.mouth
C.face
D.head
6、Being extremely____ to the cold, I do not like skiing.
A.insensitive
B.sensible
C.senseless
D.sensitive
7、It’s much more____to buy a season ticket if you travel every day.
A.cheap
B.Economical
C.Economic
D.Saving
8、He looked for a table to sit down at, but they were all____.
A.used up
B.engaged
C.filled in
D.occupied
9、Your library card____next month, you’ll have to get a new one if you want to borrow more books.
A.discloses
B.closes
C.expires
D.Surpasses
10、You won’t find a greater variety of flowers anywhere else on____.
A.soil
B.ground
C.earth
D.world
11、She was an (unlikely) candidate for the position.
A.improbable
B.unpopular
C.unqualified
D.dishonest
12、I suppose he will give it to you eventually.
A.in a way
B.in due course
C.in the end
D.in any case
13、I like George; he is so (down-to-earth).
A.practical
B.friendly
C.amusing
D.honest
14、Peter is (experiencing) a difficult period in his life.
A.going into
B.going out of
C.Going over
D.Going through
15、John was (reluctant to come).
A.glad to come
B.unable to come
C.hesitant about coming
D.planning to come
16、Don’t get upset about (trivial) matters.
A.unexpected
B.unusual
C.unimportant
D.uncertain
17、She (longed) to be envied and sought after.
A.hoped
B.wished
C.was eager
D.wanted
18、The teachers want to (do away with) cheating in their school.
A.put an end to
B.retain
C.do credit to
D.substitute for
19、The mail was (delayed) for two days because of the snow storm.
A.held in
B.held up
C.held down
D.held off
20、He is always (under the weather).
A.travelling
B.sick
C.away
D.Unconscious
21、第一篇 Soil Erosion responsible for maintaining soil fertility and moisture. Why is it that under certain circumstances, the plant cover is unable to r egenerate itself, thus setting the stage for serious erosion? To answer this que stion, let us take an extreme example, the destruction of tropical rain forests. In general, the equatorial soil is poor: forests can exist in these regions onl y because they are part of a balanced cycle. All that the forest produces is ret urned to the forest. The organic matter that falls from the trees constitutes th e humus that the forest requires. When man cuts down all the&nbs
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