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问题
判断题
液氯泄漏事故的特点中有易产生大量静电一项。
答案
参考答案:
错
选择题
The opportunity Jack had looked forward________at last when he was named chief engineer in the project.
A.came
B.to coming
C.to came
D.to come
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单项选择题
我国的制造业处在国际分工和产业链的()。
A.低端
B.中低端
C.中高端
D.中端
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