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【单选题】
有关酸碱反应,下列叙述正确的是A.
一种酸和一种碱发生反应，生成另一种更弱的酸和另一种更弱的碱
B.
一种酸和一种碱发生反应，生成另一种更强的酸和另一种更强的碱
C.
一种酸和一种碱发生反应，生成另一种更弱的酸和另一种更强的碱
D.
酸碱反应后的产物没有酸碱性
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反馈参考答案：
举一反三
【单选题】What is Obama's action to make democratic decisions'?
A.
He climbs up a ladder to make the decisions heard by everyone.
B.
He appeals to every state to have the same standards to value performances.
C.
He will stop the current measurement about the teaching of valid science.
D.
He will try to drive those conservatives mad by changing policies.
【单选题】A good way to train an animal to do something quickly is to_____. A make the action easy
B.
praise it in words
C.
reward it with food
D.
weaken its motivation
【单选题】A good way to train an animal to do something quickly is to ______.
A.
make the action easy
B.
praise it in words
C.
reward it with food
D.
weaken its motivation
【单选题】Obviously the only way to make people realize that an action is morally wrong is to punish them if they ________ it.
A.
confirm
B.
create
C.
commit
D.
compensate
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