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【单选题】
根据点火提前角调整特性,下面哪种说法是正确的A.
最佳点火提前角随转速的升高而减小
B.
最佳点火提前角随转速的升高而减大
C.
最佳点火提前角随负荷增大而增大
D.
最佳点火提前角随负荷减小而减小
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反馈参考答案：
举一反三
【单选题】What does the passage tell us? 查看材料
A.
Sleeping on your side is the best way of sleeping.
B.
Changing positions will cause sleeping problems.
C.
Sleeping positions show people's secret personalities.
D.
Enough sleep makes people look better and healthier.
【多选题】辅助技术(A;ssistivE; tE;C;hnology) 包括:
A.
转移技术
B.
矫形器配制和使用训练
C.
康复辅助器的选购与设计
D.
假肢使用训练
E.
环境干预
【简答题】简述交感神经与副交感神经的区别。
【单选题】What does "this point" in the last sentence of the passage refer to?
A.
Yoga can induce a feeling of well-being.
B.
Yoga can be a powerful adjunct therapy.
C.
Yoga can prevent lifestyle. diseases.
D.
Yoga becomes more and more popular.
【单选题】Which of the following statements is NOT true of the Barbie doll?
A.
She does not attract young men．
B.
She has undergone many changes over the years．
C.
She is ll．5 inches tall．
D.
She has managed to keep up with fashion．
【单选题】What does the author mean by saying 'you will probably be completely fluent by the time you graduate'?
A.
The students can be fluent in getting a good job.
B.
The students can practice English when graduation.
C.
The students can gain qualification for the job.
D.
The students can speak very good English for they live in the UK for long enough.
【简答题】用视频中单词填空。 对于大多数年轻人来说,结婚意味着独立组建家庭,然而物价的不断上涨使这一切变得越来越困难。 For most young people, marriage means setting up a family independently, which has become _______ difficult because of the _______ rising price...
【简答题】给下列的问句选择答语。 ( ) 1. What does Jenny see? ( ) 2. What is Danny looking at? ( ) 3. What are you doing? ( ) 4. Who is talking? ( ) 5. May I play with the baby? A. I'm reading a book. B...
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