Robots differ from automatic machines______after completion of one specific task, they can
A. that
B. which
C. in that
D. in which
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Why did Jack say he needed some time to spend with his son？
A. Because he was very tired of his work and wanted to have a good rest.
Because he had promised to spare more time to stay with his son.
C. Because he had missed his son and his family for days.
D. Because he came to realize the importance of the time with his family.
When the writer says, "This is not going to be put right overnight", he means______.
A. we must solve the problem very quickly
B. there is no completely fair thing all over the world
C. we need a long time to change the unfair reality
D. the problem that women lose will be solved soon
Why did Belser send Jack his gold watch？
A. Because he was grateful for Jack' s time with him.
Because he had no children or relatives.
C. Because he thought he had to keep his word.
D. Because Jack had always wanted it during his childhood.
FDA can ask for the proof of safety and effectiveness of a product______.
A. if it is a drug
B. if it is a device
C. if its consumers make complaints
D. if its distributors challenge FDA' s authority
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