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【多选题】
电烙铁的三种握法为( )。A.
反握式
B.
正握式
C.
握笔式
D.
直握式
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【单选题】下列细胞，何种常用于检验免疫复合物的实验中
A.
Wil-2cell
B.
Raji cell
C.
HEp-2 cell
D.
HeLa cell
E.
LE cell
【单选题】Questoion1 and 2 will be based on the following new item.
A.
They fight infections caused by roundworm parasites.
B.
They offer new ways to fighttwo powerful diseases.
C.
They’ve lowered the number of people dying from malaria.
D.
They’ve cured hundreds of millions of people.
【单选题】Questoion1 and 2 will be based on thefollowing new item.
A.
The noble prize for chemistry.
B.
The noble prize for Literature.
C.
The noble prize for Medicine.
D.
The noble prize for Peace.
【单选题】According to Student 2, as the force of gravity exerted by Earth on a block increases, will the average speed of the block increase or decrease, and why?
A.
Increase, because the weight of the block will increase.
B.
Increase, because the weight of the block will decrease.
C.
Decrease, because the weight of the block will increase.
D.
Decrease, because the weight of the block will decrease.
【单选题】In Paragraph 2, when the author says '...that is only the beginning. ' he means
A.
there will be more heat weaves.
B.
mote people's health will be threatened by heat weaves.
C.
people's health will be more seriously threatened.
D.
there will be more poisonous plants, insects and microbes.
【简答题】She ____ that she wil do well in the new school.
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