单项选择题

This type of apparatus can produce more than 40,000 blood ______ a day.

[A] examples
[B] models
[C] samples
[D] specimen

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单项选择题

The doctor proposed that she stay for one more week, her discharge from the hospital ______ later on.

[A] to be considered
[B] considered
[C] to consider
[D] being considered

单项选择题

Mr. Johnson knew that the most trivial chore could prove to be a ______ if approached with enthusiasm.

[A] prize
[B] reward
[C] refund
[D] bonus

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