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【单选题】
( )通常由有效载荷和平台组成,是数量最多的无人航天器。A.
空间探测器
B.
人造地球卫星
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【简答题】Section D 16. What product does the company produce? . 17. When was the company set up? ago. 18. Where are their products sold? Both and abroad. 19.According to the speaker, why do their products have...
【简答题】documentary.mp4 Vocabulary: pit:(people sitting in) seats on the ground floor of a theatre behind the stalls hither:(arch) to or towards this place resignation:(instance of) resigning thy: old-fashion...
【单选题】_____ the rain stops, we'll set off for the station. [ ]
A.
Before
B.
Unless
C.
As soon as
D.
Though
【单选题】以下关于if语句和switch语句的叙述中错误的是（ ）。
A.
if 语句和 switch 语句都可以实现选择结构
B.
if 语句和 switch 语句都能实现多路 ( 两路以上 ) 选择
C.
if 语句可以嵌套使用
D.
switch 语句不能嵌套使用
【简答题】指出下图中轴系的结构错误（用笔圈出错误之处，并简要说明错误原因，不要求改正）。
【简答题】Is it true _____ the rain stops, it will be as hot as in the summer here? A．when B．that when C．whenever D．that
【单选题】Is it true ______ the rain stops , it will be as hot as in the summer here?
A.
when
B.
that when
C.
whenever
D.
that
【简答题】以下语句中存在语法错误的是（ ）。
【简答题】Let's wait ____ the rain stops.
【简答题】Chinese government has decided to give up the rules of food with no checking .According to the Xinhua News, from September 17th , 2008, Chinese government decided to give up the rules of food with no ...
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