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【简答题】
北斗3号导航卫星系统包含 GEO卫星。
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皮皮学刷刷变学霸
举一反三
【简答题】看图把句子补充完整。 1. I have a ________________________ 2. I _________________________________. 3. I _________________________________. 4. I _________________________________.
【单选题】(Passage 1)3.
A.
None had a grandparent.
B.
None had children.
C.
All had brothers or sisters.
D.
All asked for a spouse.
【简答题】从商务模式角度，如何对电子商务网站进行分类?
【单选题】Passage 1
A.
At 2, 4, and 8 pm beginning Saturday.
B.
At 4, 6, and 8 pm beginning Saturday.
C.
At 2, 4, and 8 am beginning Sunday.
D.
At 2, 6, and 8 pm beginning Sunday.
【单选题】Passage 1 3.
A.
They improved the pipes...
B.
They added...
C.
They improved the flush...
D.
They improved the collection...
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