皮皮学,免费搜题
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搜题
【多选题】
以下哪些是当今人类使用的四大能源?()
A.
B.
原子能
C.
石油
D.
风能
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皮皮学刷刷变学霸
举一反三
【单选题】The theory bears no_________ to reality.
A.
relating
B.
relate
C.
relation
D.
related
【单选题】下面程序的运行结果是 . #include void main() { int s=0,i=1; while (s<=10) { s=s+i*i; i++; } printf("%d",--i); }
A.
4
B.
3
C.
5
D.
6
【单选题】ZD6型电动转辙机自动开闭器的动接点在静接点片内的接触深度不小于多少Mm,用手板动动接点,其旷动量不大于3•5m。
A.
1
B.
2
C.
3
D.
4
【单选题】What do we learn from this conversation?
A.
The man thought the essay was easy.
B.
The woman had a hard time writing the essay.
C.
The woman thought the essay was easy.
D.
Neither of them has finished the essay yet.
【单选题】— The book isn't easy for Jack to understand,   is it? — ________.  His foreign language is far better than expected. [     ]
A.
No,   it isn't
B.
  I'm afraid not
C.
I don't think so
D.
  Yes,   it is
【单选题】We often go to ________ school library because we can have such easy access ________ the Internet there.
A.
the; on
B.
the; to
C.
不填; with
D.
不填; of
【单选题】ZD6 型电动转辙机自动开闭器动接点在静接点片内的接触深度不得小于
A.
3.5  mm
B.
4 mm
C.
5  mm
D.
2  mm
【判断题】饱和水汽压(E)与温度(t)按指数规律变化。()
A.
正确
B.
错误
【单选题】ZD6型电动转辙机自动开闭器的动接点在静接点片内的接触深度不小于(D)MM.用手板动动接点,其旷动量不大于3.5MM
A.
1
B.
2
C.
3
D.
4
【单选题】罗伯已经学会了语法词素, 例如,-s用于名词复数,-ed用于过去时态。有时,他还是会犯错误, 例如说 “foots” 和 "broked”. 这些错误属于__
A.
过度规则化
B.
修正
C.
扩充
D.
词法扩展
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