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题目内容
（河南科技大学大学英语3(专升本)）
We can know that the scientists who designed the machines _____________.
A:are careless in their daily life
B:are unkind and cruel
C:are out of their mind
D:have great abilities
A:are careless in their daily life
B:are unkind and cruel
C:are out of their mind
D:have great abilities
参考答案
