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【单选题】
宇宙中大多数天体的寿命与太阳差不多约为100亿年,我们现在能够看到最远的天体是:A.
是刚刚诞生的天体
B.
正处在壮年期的天体
C.
正处在发育期的天体
D.
其实很多已经不存在了
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反馈参考答案：
举一反三
【多选题】choose the modes of transportation
A.
Highway transportation
B.
Railway transportation
C.
Water transportation
D.
Air transportation
E.
Pipeline transportation
【简答题】Chaltter Transportation
【单选题】Aeeording to the passage,coins once had real value as currency beeause they ______.
A.
represented a great improvement over barter
B.
permitted easy transportation of wealth
C.
were made of precious metals
D.
could become collector's items
【简答题】Multimodal Transportation Document
【简答题】据《关于构建更加紧密的中非命运共同体的北京宣言》，中非合作论坛( )峰会召开以来，冈比亚共和国、圣多美和普林西比民主共和国、布基纳法索3国成为中非合作论坛新成员。 A阿尔及尔 B约翰内斯堡 C亚的斯亚贝巴 D达累斯萨拉姆
【单选题】Why is transportation SO important to the current business environment?( )
A.
Transportation means are limite
B.
Because of globalization，exports and imports activities．
C.
Transportation is costly．
D.
Because of time．
【单选题】What is the transportation like in Beijing?
A.
Which means of transportation do you like best
B.
How is the transportation
C.
How is the transportation like
【简答题】Liner Transportation
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