2016秋5205149英语I(2) 03-0002【参考答案】

一、单项选择(共5道试题，共30分。)
1.Small sailboats can easily turn over in the water ____ they are not managed carefully.
though
before
until
if
2.According to the art dealer, the painting ______ to go for at least a million dollars.
is expected
expects
expected
is expecting
3.In time of serious accidents, ____ we know some basic things about first aid, we can save lives.
whether
until
if
unless
4.Harry has been reading all day —he ______ be tired
should
has got to
has to
must
5.Our room must ___ clean.
keep
be kept
to be kept
to keep
二、汉译英(共5道试题，共35分。)
6.当你看见他们的时候他们在干什么？他们在打扫教室。
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7.到现在为止，已经种了二百棵树了。
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8.必须要先完成作业。
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9.她还没有看过那部新电影。
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10.昨天这个时候你们英语老师在做什么？
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三、句型变换(共5道试题，共35分。)
11.I would appreciate it. You call back this afternoon for the doctor’s appointment.(用if将两句连成一句)
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12.Parents often ask their children to do too much homework.(改为被动语态)
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13.Suzhou lies 50 miles to the west of Shanghai.(改为一般疑问句)
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14.I went home at nine o'clock yesterday.(改为一般疑问句)
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15.When will you hand in your homework?(改为被动语态)
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