题目内容
（请给出正确答案）
[主观题]
People did not begin to use unmanned vehicles in undersea exploration until recently becau
se of______.
A．the communication problem
B．the movement of waves
C．the ocean depths
D．the problem of vacuum
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更多“People did not begin to use un…”相关的问题
第1题
The news item implies that the public are
A．worried about young Americans
B．impatient with Obama"s decision
C．cautious to support President Obama
D．tired of a war seemingly without an end
请帮忙给出正确答案和分析，谢谢！
第2题
According to the news item, what is expected from Obamas announcement?
A．A gradual withdrawal of American troops from Afghanistan.
B．A rapid withdrawal of around 5,000 troops from Afghanistan.
C．A decision of Democratic Party on American troops in Afghanistan.
D．An agreement between Republicans and Democrats on troops in Afghanistan.
请帮忙给出正确答案和分析，谢谢！
第3题
得病以前，我受父母宠爱，在家中横行霸道。一旦隔离，拘禁在花园山坡上一幢小房子里，我顿感打入冷宫，十分郁郁不得志起来。一个春天的傍晚，园中百花怒放，父母在园中设宴，一时宾客云集，笑语四溢。我在山坡的小屋里，悄悄掀起窗帘，窥见园中大干世界一片繁华，自己的哥姐、堂表弟兄也穿插其间，个个喜气洋洋。一霎时，一阵被人摒弃、为世所遗的悲愤兜上心头，禁不住痛哭起来。
请帮忙给出正确答案和分析，谢谢！
第4题
The boy was so happy that he danced out of the house, with a hand of candies.
此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
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