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【单选题】
妇女中最常见的恶性肿瘤是()
A.
宫颈癌
B.
乳腺癌
C.
子宫内膜癌
D.
阴道癌
E.
卵巢癌
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参考答案:
举一反三
【单选题】下列哪种物质可作为活性甲基的供体( )
A.
同型半胱氨酸
B.
S—腺苷甲硫氨酸(SAM)
C.
四氢叶酸
D.
VB12
【单选题】The poor boy couldn't work the problem out. He wasn't ____ clever.
A.
that
B.
much
C.
enough
D.
too
【单选题】Is ____three hours ____ the boy ___family is poor to come to school on foot?
A.
it ;that; whose
B.
it; that it takes; whose
C.
it for ;that it takes; whose
D.
it; when ;that
【判断题】( )189. “成型法”加工锥面比“逼近法”加工锥面具有加工效率高、表面粗糙度好的特点。
A.
正确
B.
错误
【判断题】函数f(x)的可疑极值点包含了驻点和导数不存在的点!
A.
正确
B.
错误
【单选题】Now that their parents are dead, the poor boy doesn't know ______ the money they left. [     ]
A.
how to do with
B.
what to do with
C.
to do what with
D.
how he will do with
【简答题】目前我国生产两种初始电阻值分别为 R0=() 欧姆与 R0=() 欧姆的铜热电阻,它们对应的分度号分别为 () 与 () 。
【单选题】The boy couldn't make himself ______because of his poor English.
A.
understand
B.
understanding
C.
understood
D.
to understand
【多选题】PLC的结构形式有( )
A.
体式
B.
隔式
C.
块式
D.
装式
【判断题】表面粗糙度对耐磨性影响的特点是:粗糙度值越小,耐磨性越好。
A.
正确
B.
错误
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