皮皮学，免费搜题
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搜题
【单选题】
大黄抗炎作用机理是A.
收缩血管
B.
降低ＰＧE、白三烯B４等活性物质的合成
C.
促进渗出的吸收
D.
促进肾上腺皮质激素的释放
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皮皮学刷刷变学霸
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【简答题】What does the author mean by saying 'the timing was off' ( Line 4, Para.3 ) ? （ ）
【单选题】What does the word 'constant' （Line 2， ParA．3） mean in the passage? 查看材料
A.
The same.
B.
Amount.
C.
Going up and down.
D.
Changing.
【单选题】What does the word synthesis (Para 3, line 5) mean?
A.
summary
B.
combination
C.
analysis
D.
alternative
【单选题】5 Stall in Para 3 means________.
A.
a place where magazines and newspapers are sold
B.
a place where freebies can be available
C.
a large table on which you can put goods that you want to sell or information you want to give to people
D.
a small table with the products of health care, counselling, welfare services and other agencies laid out
【单选题】Stall in Para. 3 means .
A.
a place where magazines and newspapers are sold
B.
a place where freebies can be available
C.
a large table on which you can put goods that you want to sell or i nformation you want to give to people
D.
a small table with the products of health care, counseling, welfare services and other agencies laid out
【单选题】Stall in Para 3 means ________ .
A.
a place where magazines and newspapers are sold
B.
a place where freebies can be available
C.
a large table on which you can put goods that you want to sell or information you want to give to people
D.
a small table with the products of health care, counselling, welfare services and other agencies laid out
【简答题】简述谐波增压控制系统工作过程。
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