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生物碱分子中氮原子杂化方式与其碱性强弱的关系是A.SP>SP2>SP3B.SP>SP3>SP2C.Sp3>SP2>SPD.SP3>SP
生物碱分子中氮原子杂化方式与其碱性强弱的关系是
A.SP>SP2>SP3
B.SP>SP3>SP2
C.Sp3>SP2>SP
D.SP3>SP>SP2
E.Sp2>SP3>SP
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
生物碱分子中氮原子杂化方式与其碱性强弱的关系是
A.SP>SP2>SP3
B.SP>SP3>SP2
C.Sp3>SP2>SP
D.SP3>SP>SP2
E.Sp2>SP3>SP
第1题
My ______ of this weekend's activity is going out with some good friends.
A.idea
B.opinion
C.mind
D.thought
第2题
—I had a really good weekend at my uncle’8.
— .
第3题
A、Good idea!
B、He is good at swimming.
C、Good-bye.
D、I'm fine.
第4题
—I had a very good weekend at my uncle's.
—Oh, really?____
[A] That will do.
[B]Cheer upl
[C]It's a pleasure.
[D] Glad to hear that.
第5题
---l had a really good weekend at my uncle s. ---_______.
A、Oh. that s very nice of you
B、Congratulations
C、It s a pleasure
D、Oh. I m glad to hear that
第6题
What is Nancy going to do for this weekend?
A.She only wants to have a good rest.
B.She wants to make a plan.
C.She's going to do a lot of things.
第7题
—I had a very good weekend at my uncle’s. —Oh,really? ______
A.That will d0.
B.Cheer up!
C.It’s a pleasure.
D.Glad to hear that.
第8题
A.worse
B.nice
C.better
D.good
第9题
—I had a really good weekend at my uncle's.—______.
A.Oh, that's very nice of you
B.Congratulations
C.It's a pleasure
D.Oh, I'm glad to hear that
第10题
听力原文:What's your plan this weekend?
(3)
A.I feel like going on a picnic.
B.Yes, I'll go.
C.Making plans is a good habit.
D.I don't care about it.
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