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【单选题】
We have been asked to defend ourselves and what we hold dear in cooperation with ______ who share with us the same endangered air and the same endangered oceans.A.
a country
B.
a city
C.
an area
D.
all of the people
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反馈参考答案：
举一反三
【单选题】手术病人一般在术前12h开始禁食、4h开始禁饮的理由是
A.
让胃肠道适当的休息
B.
防止麻醉或手术过程中发生呕吐
C.
减少胃肠道手术时的污染
D.
防止术后腹胀
E.
减少术后排便
【单选题】Researchers put patients through a set of psychological tests to determine the negative consequence of sleep _____.
A.
deficit
B.
efficiency
C.
proficiency
D.
exposure
【单选题】Researchers put patients through a set of psychological tests to determine the negative consequences of sleep ______.
A.
precise
B.
deficit
【简答题】Researchers put patients through a set of psychological teste to determine the negative consequences of sleep ____.
【单选题】手术病人一般在术前12h开始禁食、4h开始禁饮的理由是
A.
防治术后腹胀
B.
减少术后排便
C.
让胃肠道适当的休息
D.
减少胃肠道手术时的污染
E.
防治麻醉或手术过程中发生呕吐
【单选题】According to Paragraph 1, researchers put forward such a hypothesis because
A.
feedback and performance are related.
B.
the timing of feedback affects performance.
C.
feedback may cause disappointment.
D.
feedback evaluates one's performance.
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