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问题
单项选择题 B1型题
药材蒲黄的药用部位是（）
A.花序
B.花蕾
C.花粉
D.柱头
E.花柱
答案
参考答案：
C
选择题
Many people don't agree that animals __________ in tiny cages.
A. should keep
B. should be kept
C. have to keep
D. have kept
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名词解释
拮据
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