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【多选题】
热交换器按照结构形式可分为哪几种?A.
蛇管式
B.
套管式
C.
列管式
D.
翘片管式
E.
板式
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举一反三
【单选题】In my family there is a rule that anybody( ) comes first cooks the dinner for the whole family.
A.
that
B.
who
C.
what
D.
why
【单选题】Jack won the championship of the competition, () made the whole family excited.
A.
that
B.
who
C.
which
D.
what
【单选题】The whole family greeted me as though I ____a member of the family. [ ]
A.
am
B.
were
C.
would
D.
should be
【单选题】Christmas is _______ special holiday when _______ whole family are supposed to get together.
A.
the;the
B.
a;a
C.
the;a
D.
a;the
【多选题】三相变压器绕组为Y联结时以下说法正确的有()
A.
绕组相电流就等于绕组的最大电流
B.
绕组线电压等于相电压乘以(根下3)
C.
绕组相电流就等于线电流
D.
绕组相电流就等于绕组的最小电流
【单选题】She has succeeded in gaining ________ to the university, which the whole family are pleased with. [ ]
A.
congratulation
B.
admission
C.
cooperation
D.
reaction
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