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【单选题】
考虑波函数【图片】和【图片】, 且【图片】, 其中C为任意常数, 则以下说法正确的是( ).
A.
与 描写粒子的状态相同
B.
与 描写粒子的状态不同
C.
与 所描写的粒子在空间各点出现的儿率的比是 1:C
D.
与 所描写的粒子在空间各点出现的儿率的比是
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【简答题】(2019 省第三联考 )--- I think Mr. Li may be in his office. m going to visit him --- No, he be there. I saw him just now.A. needn't; left B. mustn’ t; leaving C. can't; leave D. shouldn’t; leave
【多选题】普通名词有哪几类?
A.
物质名词
B.
抽象名词
C.
个体名词
D.
集体名词
【单选题】— I ’ m leaving now. — _______ you turn off the lights when you leave.
A.
Make sure
B.
Keep on
C.
Take up
【简答题】看视频了解专有名词和普通名词的区别。找出下列句子中的专有名词和普通名词: Wuhan is a city of China. The panda is called "Pan Pan".
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【简答题】Directions : In this section you will hear a recorded short passage. The passage is printed in the test paper, but with some words or phrase missing. The passage will be read two times. You are requir...
【简答题】Dialogue 2 M: Excuse me, are you Vicky? W: Yeah, it’s me. Glad to see you here. M: Me, too. Actually a little __________. Well, when did you come back from England? How were you there? W: Last...
【单选题】听力原文:M: I am leaving now. What do you want me to get? W: Pick up some chocolate and ice cream, please. Where is the man probably going?
A.
To a restaurant.
B.
To a cafe.
C.
To a supermarket.
【单选题】在柴油机的缓燃期中的主要矛盾是()
A.
工作粗暴
B.
缸内高温
C.
燃烧不完全
D.
燃烧产物破坏火焰传递
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