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【多选题】
曾自诩为“清廷四大寇”,除以外,还有三人是:A.
B.
C.
D.
东
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举一反三
【简答题】I have known him _________ he was a boy of eight years
old.A. when B. since C. before D. while
【简答题】混凝土输送泵可分为( )和( )两类。
【单选题】Now he is artist . I have known him since he was one- year-old boy .
A.
a, an
B.
a, a
C.
an, an
D.
an, a
【单选题】I have known him for ten years. I ____________to know him in l999.
A.
got
B.
have got
C.
was getting
D.
get
【单选题】I have known him _________ he was a boy of eight years old.
A.
when
B.
since
C.
before
D.
while
【单选题】I have known him _________ he was a boy of eight years old.
A.
when
B.
since
C.
before
D.
While
【简答题】附件 3(4) 页 要求用圆钢 ( 实料 ) 加工一个调节套 ( 件 12) 作为备件使用。 为什么在数控车床上车调节套 ( 件 12) 端面时优先选用 G96 而不是 G97 指令?请回答并说 明理由!
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【单选题】I have known him _________ he was a boy of eight years old.
A.
when
B.
since
C.
before
D.
while
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