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【简答题】
晶闸管整流电路的换相重叠角与（）、（）和负载电流有关。
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举一反三
【单选题】We enclose a cheque for US $2000 ()payment of all commissions due to you up to date.
A.
to
B.
by
C.
in
D.
at
【简答题】翻译 Enclosed is (are) our .../ We enclose our ...
【简答题】We enclose a cheque for US $2000 ______ payment of all commissions.
【单选题】We enclose a cheque for US $2000() payment of all commissions due ()you up to date.
A.
into,against
B.
in,to
C.
for,to
D.
on,to
【单选题】We ____ some brochures ____ to illustrate the types of materials we manufacture.
A.
enclose, ---
B.
enclose, you
C.
enclose, to you
D.
enclose you, -
【单选题】To give you a general idea of our products, we enclose the catalogues showing various products handled by us with detailed______ and means of packing.
A.
specimens
B.
inspections
C.
paraphrases
D.
specifications
【简答题】We ________(enclose) an invoice ...
【单选题】Peter had his piano _______ yesterday and the result is excellent.
A.
tuned
B.
turned
C.
tied
D.
wound
【简答题】... meantime we _________(enclose) our ...
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