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【简答题】
物体到光心的距离简称为______．像到光心的距离，简称为______．
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举一反三
【简答题】用下列动词填空:dire, danser, gagner, partir, emmener, oublier, apprendre, falloir Hélène aime chanter et .
【简答题】First, the senses are to be set to work; then, memory; and, at last, understanding and judgment.
【简答题】Vocabulary: thistle / ˈ θ ɪ s ə l/ a wild plant which has leaves with sharp points and purple flowers. 蓟 kit fox 沙狐 1. Listen to the recording and answer the following questions. 1) How do...
【简答题】在减数分裂的( )期,染色体片段进行互换和再接合
【单选题】______ is the American poet whose work was first recognized in England and then in America.
A.
Robert Frost
B.
Wallace Stevens
C.
Walt Whitman
D.
Emily Dickinson
【单选题】What does the man mean?
A.
To finish work first.
B.
To get some rest first.
C.
To leave the work till tomorrow.
【简答题】铸铁杯子,厨房餐桌用,未搪瓷 。该商品的编码是( )
【简答题】用dire, danser, gagner, partir, emmener, oublier, apprendre, falloir的合适形式填空 Hélène aime chanter et _________ .
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