单选题：Schmidt and her colleagues are the first group of scientists

题目内容：

Schmidt and her colleagues are the first group of scientists to carry out a study on Europa. A．Right
B．Wrong
C．Not mention

参考答案：

答案解析：

MRI may make operating on the patient___ .

MRI may make operating on the patient___ . A．lightest B．reactive C．important D．c

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Every week the magazine presents the profile of a well-known sports personal. A．

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证券公司申请文件齐备的，证券交易所予以受理，并自受理之日起（　　）个工作日内作出是否同意接纳为会员的决定。A．5 B．10 C．15 D．20

分类：理工类题型：单选题