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【判断题】
网络安全防御系统是个动态的系统，攻防技术都在不断发展，安全防范系统也必须同时发展与更新。A.
正确
B.
错误
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【单选题】---- It’s raining heavily! Why must we go out right now? ---- The reason is that we are going to help the villages on the mountains. ---- ______.
A.
Go ahead
B.
with pleasure
C.
It depends
D.
Congratulations
【简答题】幼小衔接必须坚持（）的原则
【简答题】幼小衔接的原则有 ______________ 、 ______________ 、 ______________ 。
【单选题】According to the author, the reason why we go wrong about our friends is that______.
A.
we fail to listen carefully when they talk
B.
people tend to be annoyed when we check what they say
C.
people usually state one thing but means another
D.
we tend to doubt what our friends say
【简答题】According to the author, the reason why we go wrong about our friends is that ______. A)we fall to listen carefully when they talk B)people tend to be annoyed when we cheek what they say C) people usu...
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