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【单选题】
在通用硅酸盐水泥中，代号P·P的是（ ）。A.
硅酸盐水泥
B.
普通硅酸盐水泥
C.
火山灰质硅酸盐水泥
D.
粉煤灰硅酸盐水泥
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皮皮学刷刷变学霸
举一反三
【单选题】He has two Chinese English dictionaries, were bought last week.
A.
two of which
B.
both of which
C.
both of them
D.
all of them
【单选题】There are fifty-two staff in our company,__________are women.
A.
two-fifth of whom
B.
second-fives of whom
C.
two-fifths of whom
D.
two-five of whom
【单选题】The two cakes are of ________ size, but the one they bought last week was twice ________ size of them. [ ]
A.
the; the
B.
a; the
C.
a; a
D.
the; a
【简答题】可以用for语句代替while语句的作用吗?
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