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【单选题】
在送医下乡活动中,某医院安排3名男医生和2名女医生到三所乡医院工作,每所医院至少安排一名医生,且女医生不安排在同一乡医院工作,则不同的分 配方法总数为(   )
A.
78
B.
114
C.
108
D.
120
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【单选题】— I hear that Jack had a car accident yesterday. — I won't believe it. He ______.
A.
shouldn't have been so careless
B.
wouldn't be so careless
C.
couldn't be so careless
D.
mustn't be so careless
【单选题】He won't believe it____he sees it with his own eyes.
A.
after
B.
while
C.
until
【单选题】下列钢中,适于用来制造高速成形切削刃具(如车刀)的钢是
A.
9SiCr
B.
60Si2Mn
C.
Cr12MoV
D.
W18Cr4V
【单选题】He won't believe anything _________ he sees it with his own eyes.
A.
if
B.
as long as
C.
unless
D.
in case that
【简答题】Listen to Unit 9 Part III D (from 13'35-----) and answer the five questions. How can you make an appointment?
【判断题】S3C2410A的8组I/O口中,有4个8位I/O口(PORT C、 PORT D、 PORT E 、PORT G)
A.
正确
B.
错误
【简答题】Passage 2 Listen to the following passage twice and then answer each question that follows in no more than three words: 6)What can get you in trouble during an interview? ( )during an interview. 7) Wh...
【单选题】高速钢螺纹车刀,容易磨得锋利,而且韧性较好,因而适用于()车削。
A.
低速
B.
高速
【简答题】交流调速又叫( )。
【多选题】高速钢用于高速切削的刃具,如钻头、车刀,下列说法不正确的有()。
A.
适用于300℃高速切削的刃具
B.
适用于400℃高速切削的刃具
C.
适用于500℃高速切削的刃具
D.
适用于600℃高速切削的刃具
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