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【单选题】
错主张劝农务本的名篇,一篇是《守边劝农疏》,另一篇是()。
A.
《论贵粟疏》
B.
《论积贮疏》
C.
《至言》
D.
《政事疏》
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参考答案:
举一反三
【单选题】已知等腰三角形的,一边长为6,一个外角为120°,则它的周长为( )。
A.
12
B.
15
C.
16
D.
18
【单选题】酰化成酯法不能直接测定的醇为: ( )
A.
伯醇
B.
仲醇
C.
叔醇
D.
α- 多羟基醇
【单选题】对固体电介质,施加下列电压,其中击穿电压最高的是( )
A.
直流电压
B.
工频交流电压
C.
高频交流电压
D.
雷电冲击电压
【单选题】According to paragraph 2, evidence from fossils suggests that
A.
extinction of species has occurred from time to time throughout Earth's history.
B.
Extinctions on Earth have generally been massive
C.
there has been only one mass extinction in Earth's history.
D.
dinosaurs became extinct much earlier than scientists originally believed.
【简答题】“不积跬步,无以至千里;不积小流,无以成江海”的名言告诉人们的哲理是( )。
【单选题】对固体电介质,施加下列电压,其中击穿电压最低的是( )
A.
直流电压
B.
工频交流电压
C.
高频交流电压
D.
雷电冲击电压
【简答题】_____________ ,无以成江海。
【单选题】The hospital opened 5 years ago. It _____ for 5 years. [     ]
A.
opened
B.
opens
C.
has been open
D.
has opened
【简答题】第二篇:C级 Football Football is, I suppose, the most popular in England: one has only to go to one of the important matches to see this. Rich and poor, young and old, one can see them all there, shou...
【判断题】Staphylococcus has O-Ag in its cell wall.
A.
正确
B.
错误
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