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【简答题】
太阳常数是指不受大气影响,在距离太阳__天文单位内,垂直于太阳光辐射方向上,单位面积单位时间黑体所接受到的太阳辐射能量。
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反馈参考答案：
举一反三
【单选题】From the passage, we can infer that a good teacher can
A.
be a good actor
B.
work in the same way as the actor
C.
learn something from a good actor
D.
play his role regardless of the reaction of his audience
【单选题】It’s two in the afternoon. We can say to Miss Fang.
A.
Good night
B.
Good morning
C.
Good evening
D.
Good afternoon
【单选题】We can all his knowledge.A．benefitB．benefit fromC．be good forD．do good to
A.
We can all____ his knowledge. A．benefit
B.
benefit from
C.
be good for
D.
do good to
【简答题】We can pack the goods in accordance with your ______(指示).
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