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【单选题】
美国研制的X-37B,是一种可以在30-100千米的高度,以12-25倍音速高速飞行的新型航天器,它属于以下哪类航天器?A.
航天飞机
B.
宇宙飞船
C.
空天飞机
D.
运载火箭
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反馈参考答案：
举一反三
【简答题】One day, when I was in ________ grade, my ________ class was preparing for a big exam. At one point I got up to wash my hands, but there weren't any paper towels. So I went to get some and, in the ___...
【简答题】简述思想形成发展的过程?
【单选题】The bakery is open every day ______ Wednesday.
A.
except
B.
besides
C.
except for
D.
except that
【单选题】The tablet computer considered as a workstation because ( )
A.
it is similar with the laptop computer
B.
it can be connected to the network and utilize the service
C.
it has the touch screen devices
D.
it can storage information as the laptop
【单选题】Choose the best topic sentence for each group of supporting sentences. 5.)_________When Ken wanted to enter a good university, he studied hard to pass the examination. The first time he took the exam,...
A.
One of my closest friend, named Ken, is a person I can trust.
B.
My friend Ken is a very successful students.
C.
I admire my friend Ken because he doesn’t give up.
【简答题】tablet computer
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