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【简答题】
（36分）读下图，回答下列问题。 20世纪50年代以来，针对海河流域频发的旱涝灾害，在流域西部、北部修建了大量水库，在东部新开了多条入海河道。 （1）结合流域气候和地形特点，分析修建水库和新开入海河道的自然原因。（12分） 海河流域人均水资源占有量不足全国的1/7. （2）针对流域水资源匮乏的现状，简述农业生产应采取的对策。（8分） （3）指出河源地区旅游开发和景区建设给河流带来的环境问题，列举一项应对措施。（8分） 依据2014年《政府工作报告》精神，京津冀地区逐步淘汰钢铁、水泥、平板玻璃等行业，加快产业结构调整。 （4）简述京津冀地区产业结构调整的方向以及对改善大气质量的作用。（8分）
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举一反三
【单选题】Many students do not like to study for tests, ____ do they like to write term papers.
A.
or
B.
nor
C.
and
D.
but
【简答题】Manypeople welcome the harmfree Internet, but what do many school students___ it?A. thinkof B. think about C. thinkover
【单选题】All games______ because of the rainstorm, many students could do nothing but study in the classroom.
A.
were canceled
B.
having been canceled
C.
had been canceled
D.
have been canceled
【单选题】听力原文：M: How many students tried out for the football team this year? W: About 60, but only half of them do well in football. Q: How many students are good at football? (15)
A.
About 60.
B.
About 50.
C.
About 30.
D.
About 120.
【单选题】听力原文：M: How many students tried out for the football team this year? W: About 60, but only half of them do well in football. Q: How many students are good at football? (10)
A.
About 60.
B.
About 50.
C.
About 30.
D.
About 120.
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