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【单选题】
“深海勇士号”在南海下潜作业28次、388项测试任务和52小时连续下潜4次的记录。同时,中国载人潜水器的研制正________地进行着,预计将在2020年完成研制。 3.文中画横线的句子有语病,下列修改最恰当的一项是 A. “深海勇士号”在南海创造下潜作业28次、388项测试任务和52小时连续下潜4次的记录。 B. “深海勇士号”在南海下潜作业28次,完成了388项测试任务和52小时连续下潜4次的记录。 C. “深海勇士号”在南海完成下潜作业28次、388项测试任务和52小时连续下潜4次的记录。 D. “深海勇士号”在南海下潜作业28次,完成388项测试任务,创造了52小时连续下潜4次的记录。A.
如题A
B.
如题B
C.
如题C
D.
如题D
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【简答题】最低限度,最少量 n. (m--)
【单选题】（ ）Tom，together with his family，__________to see us tonight．
A.
is coming
B.
are coming
C.
comes
D.
come
【单选题】According to the passage, why has migration been called the greatest challenge of the coming century?
A.
Because of the change of population.
B.
Because of the coming of the new century.
C.
Because of economic and political effects.
D.
Because of human beings' conflicts.
【单选题】One of the most interesting experiments in electronic communication I've ever seen is coming from Wave. It's real—time e-mail. What that means is that as you're typing a message in Wave, either a new ...
A.
It makes people see each other online.
B.
It enables people to send real—time e-mails.
C.
It allows you to send more e-mails at the same time.
D.
It can be easily connected to other communication systems.
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