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【单选题】
本讲主讲教师是A.
B.
C.
D.
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【简答题】阅读理解。 Mr. Black, Ann's father works in a hospital. He's friendly to the patients. So he's very busy all the time. Ann is seven and began to be at school. She often watches TV at home. Some of her frie...
【简答题】喷他佐辛成瘾性很小,不列入(__)药品,广泛用于各种(__)疼痛。
【单选题】sendmail默认用户邮件放在( ) 目录下。
A.
/var/mail/spool/
B.
/var/spool/mail
C.
/var/mail/
D.
~/mail/
【多选题】对于减法运算电路,下面说法正确的是( )。
A.
是一个双端输入的运算放大器
B.
反馈电阻连接在输出端和反相输入端之间
C.
输出电压由两个输入端的电压信号的差值决定
D.
所有输入信号都要连接到反相输入端
【单选题】-Who's the man __________ black? -Oh, he's a famous pop singer. [ ]
A.
in
B.
on
C.
with
D.
at
【单选题】---____________the boy in a black coat ___________the UK ? ---No. He is ____________ U.S student .
A.
Is… from , a
B.
Does… come from , an
C.
Is… come from , an
D.
Is… from , an
【单选题】— Who's the boy _____ black pants? — He's _____ cousin. [ ]
A.
in, mine
B.
in, his
C.
on, my
D.
on, hers
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