题目内容

【题目】每年5-10月,柬埔寨洞里萨湖面积达10000平方千米,平均水深10米;而11月~次年4月,面积不足3000平方千米,平均水深仅1米。读湄公河流域图,完成下列各题。

【1】洞里萨湖水量季节变化显著的主要原因是

A.水稻种植业用水量的季节变化

B.季风导致降水量的季节变化

C.台风引起风暴潮导致海水倒灌

D.北部高原夏季冰雪大量消融

【2】20世纪80年代以来,柬埔寨及周边邻国成为世界电子工业投资的热点区域,其原因主要是该地区

A.科技力量强大 B.铁路交通便利

C.劳动者素质高 D.国家政策扶持

【答案】

【1】B

【2】D

【解析】

试题分析:

【1】洞里萨湖位于南亚地区,属热带季风气候,降水的季节变化大,导致湖水水量的季节变化显著,这里属于热带,水稻四季皆可种植,没有明显季节变化,洞里萨湖位于柬埔寨北部,风暴潮影响不到这里,这里是热带季风气候 ,水源补给以大气降水为主,纬度低,冬季没有降雪,湖区夏季不会有高大山脉的冰雪融水补给。

【2】20世纪80年代以来,柬埔寨及周边邻国成为世界电子工业投资的热点区域,其原因主要是该地区国家政策扶持,所以D正确。

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【题目】A sign is another kind of language. Here are some of them that you see on the roads.

Number one is a sign with the number thirty on it.When drivers see this sign, they must not go at more than thirty kilometres an hour. We see this sign when we are getting near a town.Number two is a sign that we’re near a crossing.We must drive carefully.Number three is a sign that there is a bend in the road.Again, we must drive slowly and carefully.It is not safe to go round a bend very fast.Number four is a sign that there is another road coming in from the right.There is a junction at this place. Number five is a sign that there is a hill and number six is a sign that the road gets narrow. Drivers must go slowly and carefully.Number seven has the word “SCHOOL” on it. This is a sign that there is a school at the side of the street or the road. Perhaps there are children going to or leaving school.So drivers must look carefully and go slowly. Number eight is a sign with the letter “P” on it.The letter “P”means “Parking”. At some places, there’re the signs “No parking””or “No waiting”. If a driver leaves his car near one of these signs, a policeman may come and write down the number of his car.

1At the places where you see Sign 1, ________.

A. you are already out of a town

B. you still have thirty kilometres to go

C. there must be a town thirty kilometres away

D. there must be many houses and buildings not far away

2There stands Sign 2 near a place where________.

A. two roads cross B. people can cross the road

C. the roads get narrow D. there are no traffic lights

3You have to drive not only slowly but also carefully when you find________.

A. each of the eight signs B. either of Signs 2 and 3

C. all of Signs 3, 5, 6 and 7 D. any of Signs 3, 5, 6 and 7

4A driver can leave his car________.

A. near Sign 8 at any time

B. near a sign with “No parking” on it

C. near a sign with “No waiting” if there’re no police there

D. near a sign with “P” on it in the daytime

5People put these signs on the roads to________.

A. show drivers the way B. stop cars going too fast

C. make driving even safer D. learn another kind of language

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