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【单选题】
下列叙述正确的是（　　）
A.
醋酸溶液的pH=a，将此溶液稀释1倍后，溶液的pH=b，则a＞b
B.
25℃l.0×10 -1 mol/L盐酸的pH=3.0，1.0×10 -8 mol/L盐酸的pH=8.0
C.
lmLpH=1的盐酸与10mLNaOH溶液混合后pH=7，则NaOH溶液的pH=11
D.
pH=1的盐酸溶液稀释100倍后，pH=3
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【单选题】What did Mr. Wonka suggest(建议) Veruca’s parents doing?
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Going into the chute and pulling her up.
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【单选题】What new invention(s) did Mr. Wonka introduce in the Inventing Room?
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【单选题】What did Mr. Wonka give each of them when they entered the Television-Chocolate Room
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【单选题】What did Mr. Wonka ask Charlie to do with the Television set(电视机)?
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Take the chocolate from the screen（屏幕）.
B.
Watch an ad(广告) on the screen.
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Switch it on.
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【单选题】What effect(效果) did Mr. Wonka's special camera have on Mike?
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It enlarged(扩大) him
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It hypnotized(催眠) him
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【单选题】What did Charlie win by being the only child to complete Mr. Wonka’s tour?
A.
A ride in the glass elevator
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An Oompa-Loompa
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【判断题】继电器不能直接用来控制电流较大的主电路。
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【简答题】继电器不能用来直接控制较大电流的主电路。____
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B.
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C.
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【单选题】What did Mr. Wonka suggest(建议) Veruca’s parents doing?
A.
Going into the chute and pulling her up.
B.
Calling her name loudly.
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【单选题】What did Mr. Wonka repeatedly(反复地) ask Mike not to do?
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【单选题】What did Mr. Wonka ask Charlie to do with the Television set(电视机)?
A.
Take the chocolate from the screen（屏幕）.
B.
Watch an ad(广告) on the screen.
C.
Switch it on.
D.
Switch it off.
查看完整题目与答案
【单选题】What effect(效果) did Mr. Wonka's special camera have on Mike?
A.
It enlarged(扩大) him
B.
It hypnotized(催眠) him
C.
It duplicated(复制) him
D.
It turned him into a million tiny pieces.
查看完整题目与答案
【单选题】What did Charlie win by being the only child to complete Mr. Wonka’s tour?
A.
A ride in the glass elevator
B.
An Oompa-Loompa
C.
The entire chocolate factory
D.
None of the above
查看完整题目与答案
【判断题】继电器不能直接用来控制电流较大的主电路。
A.
正确
B.
错误
查看完整题目与答案
【简答题】继电器不能用来直接控制较大电流的主电路。____
查看完整题目与答案