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【多选题】
铁路线上需要修建各种桥隧建筑物，它包括 。（ ）A.
桥梁
B.
隧道
C.
涵洞
D.
水渠
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反馈参考答案：
举一反三
【单选题】From the last two paragraphs, we get the impression that
A.
people feel disappointed with the US share market.
B.
most people have confidence in the Silicon Valley’s future.
C.
a large number of workers are made redundant.
D.
millionaires in the Valley are all bankrupted earlier this year.
【单选题】What made the visitor feel ashamed and regretful?
A.
Going to work late
B.
Eating too much
C.
Sleeping too late
D.
He did not want to go back to work, and when he was going to work, he did not know what to do.
【简答题】A．Another speaker will describe the helmet. B．The woman will talk about the space shuttle. C．Someone from the audience will try on the helmet. D．The woman will put on a space suit.
【单选题】The door was ______ and I could not see who she was talking to . ( )
A.
shut
B.
shutted
C.
shutting
D.
being shut
【单选题】听力原文： Astronaut Steve Robinson is going where no one has ever gone in orbit--to a shuttle's underside, which is covered with thousands of fragile ceramic tiles as a barrier to the scorching heat cause...
A.
Two of the ceramic tiles were damaged.
B.
Some gap fillers popped up.
C.
The space shuttle was over-heated by high-speed friction with the atmosphere.
D.
The engine of the space shuttle was out of control.
【单选题】Americans will be regretful for ______.
A.
the extravagant ways of living in the suburbs
B.
the fast-growing developments in the suburbs
C.
the devastation caused by the economic crisis
D.
what they have done over the past few months
【单选题】教学的首要任务是（ ）
A.
引导学生掌握科学文化基础知识和基本技能
B.
发展学生智力，培养学生的创造能力
C.
发展学生体力．提高学生的健康水平
D.
培养学生高尚的审美情趣
【单选题】According to the time table, the next shutt le bus _________ at 7:00 in the evening.
A.
leaves
B.
is left
C.
has left
D.
will leave
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