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【单选题】
观察单位为研究中的A.
样本
B.
全部对象
C.
影响因素
D.
个体
E.
观察指标
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反馈参考答案：
举一反三
【简答题】A．Just before Columbus left. B．Just after Columbus left. C．Two hundred years before Columbus left. D．After 1300.
【单选题】There will be great demand on your efforts before you reach the ______ of the race.
A.
dead line
B.
end line
C.
finish line
D.
finishing line
【单选题】______ there are only 20 minutes left before the train left, I felt uneasy in the taxi to the railway station.
A.
That
B.
When
C.
Which
D.
Because
【单选题】Hardy bulbs do not include _____________ .
A.
crocuses
B.
ranunculus
C.
snowdrops
D.
daffodils
【单选题】It was the hurricane ________ was called Sandy ________ left at least 10 people dead and hundreds of thousands without power on the eastern coast of America.
A.
which; that
B.
what; which
C.
which; who
D.
that; which
【单选题】Do you sell light bulbs here?
A.
http://leicloud.ulearning.cn/course/mediacontent/20130911/lesson-09/audio/toeic_ch08_07_04_02a.mp3
B.
http://leicloud.ulearning.cn/course/mediacontent/20130911/lesson-09/audio/toeic_ch08_07_04_02b.mp3
C.
http://leicloud.ulearning.cn/course/mediacontent/20130911/lesson-09/audio/toeic_ch08_07_04_02c.mp3
【单选题】Usually the panels are interlocked with _____ so that the devices can be made dead before the doors are opened.
A.
protective earth
B.
isolators
C.
ground switch
D.
circuit-breakers
【单选题】听力原文：W: I've been around the whole store, but I couldn't find any sixty-watt bulbs. Don't you carry them anymore? M: Oh, they used to be on Aisle 12, but we've moved them. Now you'll find them at the ...
A.
Toilet bowl cleanser.
B.
Household goods.
C.
Light bulbs.
D.
Tulips.
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