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【单选题】
药用动物生产中蜈蚣是( )。A.
Q器官入药
B.
全身入药
C.
组织入药
D.
排泄物入药
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【简答题】Why do historians disagree?
【单选题】Increasingly, historians are blaming diseases imported from the Old World for the great disparity between the native population of America in 1492—new estimates of which jump as high as 100 million, o...
A.
recur more frequently than chronic diseases.
B.
involve populations with no prior exposure to a disease.
C.
usually involve a number of interacting diseases.
D.
are less responsive to medical treatment than are other diseases.
【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.
【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
【单选题】Why do American families become smaller?
A.
Big families tend to cause the parents to get divorced.
B.
More children mean more cost of their education.
C.
They have to carry out family planning program.
D.
Children are likely to be spoiled in big families.
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