【判断题】【消耗次数：1】
所有的胺类化合物都能生成分子内氢键。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【多选题】
关于黄酮类化合物的理化性质，下列说法正确的是
①
黄酮类化合物都溶于水
②
黄酮类化合物因其结构不同，溶解度差异大
③
黄酮苷一般易溶于水、乙醇、甲醇
④
黄酮苷一般易溶于石油醚、氯仿等有机溶剂
⑤
游离苷元易溶于水
随机题目
【单选题】
—Thank you for your MP4 player. I’ll ask Mary to take it to you soon.—_____. I’ve bought a new one.
①
No sense
②
No hurry.
③
No way
④
sorry
【单选题】
— I can’t find my mobile phone. I’m sure it’s in this room. — _______. I’ll call you with my phone. When it rings, you can follow the sound.
①
Excuse me.
②
Good luck
③
Don’t worry
④
ok
【单选题】
一Susan, will you please go and empty that drawer? 一 ?
①
What for
②
What is it
③
How is it
④
When is it
【单选题】
—I feel so nervous about the National English Speech Competition tomorrow. —_______.
①
I really envy you
②
Glad to hear that
③
Take it easy
④
very good
【单选题】
— How about going to the cinema? — ___________
①
Enjoy yourself!
②
Good luck!
③
Sounds like a good idea!
④
very happy
【单选题】
— Could you please help me choose an Mp4 player online?— ________. My computer doesn’t work.
①
I don’t agree
②
I hope so
③
I’m afraid I can’t.
④
i did
【单选题】
Translation : Parents are too busy to spend time teaching their kids right from wrong.
①
父母不会太忙，所以有时间教导孩子明辨是非。
②
父母都太忙，没有时间教导孩子明辨是非。
③
父母很忙，但是也抽时间教导孩子明辨是非。
④
父母很忙，经常抽时间教导孩子明辨是非。