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【单选题】
与裸子植物相比哪项不是被子植物的特点（ ）A.
靠种子繁殖
B.
种子裸露
C.
种子有胚
D.
种子被果皮中
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反馈参考答案：
举一反三
【单选题】入侵检测的目的是
A.
实现内外网隔离与访问控制
B.
预防、检测和消除病毒
C.
记录用户使用计算机网络系统进行所有活动的过程
D.
提供实时的检测及采取相应的防护手段，阻止黑客的入侵
【简答题】连词组句。 1. right, in, hand, put, your ___________________. 2. your, hand, right, take, out ____________________. 3. the, pokey, hokey, do ___________________. 4. your, left, foot, in, put ______________...
【简答题】看图，选择对应的句子。 ( ) 1. A. Put your notebook under your bag. ( ) 2. B. Put your pencil in your desk. ( ) 3. C. Put your pencil-case on your chair. ( ) 4. D. Put your eraser near your pencil...
【简答题】《突发公共卫生事件应急条例》规定，突发公共卫生事件应急处理指挥部根据突发事件应急处理的需要，可以采取哪些措施?
【简答题】回答问题。 1. What's your favourite food? ____________________________________________ 2. What's your favourite fruit (水果)? ____________________________________________ 3. What do you have for dinner? ____...
【单选题】—Have your read the article A Dirty Beijing, which is about air pollution? —Yes. It’s highly informative. I _____no idea that the PM2.5 there sometimes reached 300.
A.
have
B.
had
C.
will have
D.
would have
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