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【单选题】
蜗杆传动中,为减少摩擦,宜采用青铜制造的是:
A.
蜗杆
B.
蜗轮
C.
机架
D.
蜗杆和蜗轮
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参考答案:
举一反三
【单选题】Does Ben love American football?
A.
Yes, he does
B.
No, he doesn't
C.
Yes, she does
D.
No, she doesn't
【简答题】《中国药典》(2010年版)的凡例部分
【单选题】Does Ben ________ books?
A.
write
B.
writes
C.
writing
D.
written
【单选题】Does Ben smoke?
A.
yes
B.
no
【多选题】以下关于商品流通环节和商品流通渠道的论述,正确的是,
A.
商品流通环节是构成商品流通渠道的基本框架,
B.
商品流通渠道是以商品流通环节为基础而构成的商品流通的具体路线和方向,
C.
商品流通环节和渠道共同构成了商品流通过程的全部内容,
D.
一般讲商品流通渠道,是包括商品流通环节在内的商品流通渠道,
【单选题】What does the woman mean?
A.
Ben will come to the party.
B.
He is at a conference tomorrow.
C.
Ben is unable to come to the party.
【简答题】《中国药典》(2010年版)凡例中,贮藏项下规定的“密闭”系指
【单选题】关于外阴瘙痒下列何项是正确的( )
A.
外阴瘙痒是外阴癌的早期表现
B.
外阴瘙痒最常见的原因是蛲虫病
C.
外阴瘙痒严重时用肥皂液清洗会有所好转
D.
外阴瘙痒经治无效宜做单纯性外阴切除术
E.
外阴瘙痒不是疾病而是多种疾病引起的一种症状
【单选题】What does Ben's father often do _____ Sundays? [     ]
A.
in
B.
at
C.
on
D.
of
【简答题】听力:What does Ben Carson mother tell him to do when he was a school boy?Q: What does Ben Carson mother tell him to do when he was a school boy? A.Write two book reports a week. B.Keep a diary. C.Help w...
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