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【简答题】
某商店销售一批服装，每件售价150元，可获利25%，求这种服装的成本价．设这种服装的成本价为x元，则得到方程______．
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举一反三
【简答题】Why do historians disagree?
【单选题】Why do historians disagree with each other?
A.
They stand in different places.
B.
They just pick up the most important facts they believe.
C.
They are not good friends.
D.
both B and C
【简答题】何谓“五行”?其各自的特性是什么?
【多选题】Why do historians disagree? There are three reasons:__________.
A.
The historians read different history books.
B.
Selection of different facts about the same event.
C.
Use of the same facts from different premises.
D.
Analysis of different levels of cause and effect.
【简答题】telomeres & Telomerase
【单选题】People often wonder why historians go to so much trouble to preserve millions of books, documents and records of the past. Why do we have libraries? What (1)_____ are these documents and the (2)_____ ...
A.
right
B.
good
C.
important
D.
fine
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