1、水循環(huán)是指自然界的水在 、 、 、 四大圈層中通過 連續(xù)運動的過程。
2、了解水循環(huán)的過程和主要環(huán)節(jié),理解水循環(huán)的地理意義。
主要知識點:
1、知道水循環(huán)的概念
20.We tried to ______ his doubts and let him tell the truth.
A.replace B.review C.remove D.rebuild
解析:此題考查動詞辨析。replace“放回原處;取代”;review“再檢查;回顧;復習”;remove“去掉;脫掉;除名”;rebuild“重建”。根據(jù)句意此處應用remove表示“消除疑慮”的意思。
答案:C
19.-The cars give off a great deal of waste gas into streets.
-Yes.But I’m sure something will be done to ______ it.
A.reduce B.remove C.collect D.warn
解析:此處為采取措施“減少”廢氣排放。
答案:A
18.-Why was he fined?
-He happened to ______ flowers in the park.
A.be seen step on B.be seen picking C.be caught to pull D.catch damaging
解析:本題考查動詞辨析以及非謂語動詞的語態(tài)。根據(jù)句子的意思分析,此處應該使用被動。A項的step on作be seen的賓補時,不能用原形;C項的結構應該為be caught doing sth.。
答案:B
17.The bird flu ______through Asia has jumped from birds to humans at least 20 times so far,______16.
A.sweeps;killed B.swept;killing
C.sweeping;to kill D.sweeping;killing
解析:本題考查非謂語動詞作定語和伴隨狀語的用法。第一個空用現(xiàn)在分詞作定語,相當于謂語動詞為主動的定語從句結構;第二個空為非謂語動詞作伴隨狀語,表示和has jumped同時發(fā)生的動作。
答案:D
16.Though bought ten years ago,the car is still in good ______.
A.situation dition C.position D.station
解析: in good condition在此處表示“狀況很好”的意思。
答案:B
15.-Is it for two months ______ they have stayed here?
-No,it is only three weeks ______they arrived here.
A.that;since B.that;when C.when;that D.since;before
解析:從第一句話的句子結構和句子的意思分析,此句應是強調句型,被強調的內容為:for two months,所以用that引導。第二句的結構為:It is+ 一段時間+since,意思為“……已經多久了”。
答案:A
14.-I really appreciate______ time to relax.
-I don’t doubt ______ able to do so.
A.to have;you to be B.having;that you being
C.to have;you are D.having;that you are
解析: appreciate后跟v.-ing形式作賓語。
答案:D
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