单项选择题

Physics is the present day equivalent of ______ used to be called natural philosophy, from most of present day science arose.

[A] which, what
[B] that, which
[C] what, which
[D] what, that

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单项选择题

Mother decided to go to the supermarket as soon as she ______ .

[A] finishes what she did
[B] finished what she did
[C] finished what she was doing
[D] would finish what she was doing

单项选择题

The fifth generation computers, with artificial intelligence, ______ and perfected now.

[A] developed
[B] have developed
[C] are being developed
[D] will have been developed

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