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【单选题】
下面形式的触头中,接触容量最小的是( )。A.
线触头
B.
面触头
C.
圆触头
D.
点触头
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反馈参考答案：
举一反三
【单选题】Statistics show that house prices in the last 2 years have risen they had expected.
A.
twice as much as
B.
as much as twice
C.
as twice much as
D.
as much twice as
【单选题】______ the house prices have risen sharply, the number of buyers is as great as ever.A．Despite t
A.
35. ______ the house prices have risen sharply, the number of buyers is as great as ever. A．Despite the fact that
B.
In spite of what
C.
Regardless of
D.
Contrary to
【单选题】如图所示的荡木机构中,O 1 O 2 =CD,O 1 C=O 2 D=1m,在图示位置时O 1 C的角速度为 1rad/s,角加速度为2rad/s2,则荡木中点M的加速度为( )
A.
a M =1m/s²
B.
a M =√5 m/s²
C.
a M =√2 m/s²
D.
a M =2m/s²
【单选题】Prices of houses _______ sharply in the past decade. [ ]
A.
rise
B.
are rising
C.
have risen
D.
rose
【简答题】请根据材料5和材料6，写一份简短的汇报材料，分析云南、山西两省的做法对河北建设文化强省提供了哪些重要启示，以供领导决策时参考。
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