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问题
判断题
早期胚胎的每一个卵裂球都有发育成完整个体的潜力。
答案
参考答案:
对
选择题
I want to buy that kind of cloth because I _____ the cloth _____ well.
A. have told; washed
B. have been told; washes
C. was told; washed
D. have been told; is washed
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单项选择题
中国药典(2000年版)采用水解后重氮-偶合呈色反应鉴别氯氮卓
A.p-萘酚
B.茚三酮
C.铜吡啶试液
D.溴量法
E.亚硝酸钠-硫酸
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