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【单选题】
物质性质决定它的用途,还决定了它的保存方法。固体 NaOH 具有以下性质: 1 白色片状固体 2 有腐蚀性 3 易吸收水分而潮解 4 易溶于水,溶解放热 5 能与空气中的二氧化碳反应。实验室中必须将它密封保存的主要原因是: ( )
A.
①②
B.
①②③
C.
②③④
D.
③⑤
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参考答案：
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【简答题】A : __________________________________________________ B: There isn't room for growth with my current employer and I'm ready to accept a new challenge. A: What is your greatest strength? B: __________...
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【简答题】填写单词。 1. It's my _____ (责任) to take good care of my parents when they are old. 2. We all_____ (将……视为) Yao Ming as the greatest basketball player from China. 3. I don't think your son has______(认识到) ho...
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【简答题】My greatest p________ was to accumulate a sufficient amount of money to travel to Europe.
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【单选题】作功顺序为 1-3-4-2的发动机,一缸在压缩上止点时,可以检查调整以下气门间隙
A.
3缸的进、排气门和4、2缸的进气门
B.
1、4缸的进气门和2缸的排气门
C.
3缸的进、排气门和4缸的排气门和l缸的进气门
D.
l缸的进、排气门和3缸的排气门和2缸的进气门
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【单选题】A speaker plans to give a speech about the development of the Pony Express. In order to deliver her speech most effectively, she should arrange the main points of her speech in _____ order.
A.
Chronological.
B.
Spatial.
C.
Topical.
D.
Problem-solution.
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【单选题】Linguists give priority to speech because __________ .
A.
speech sounds are derived from writing systems
B.
they can use recording devices
C.
speech precedes writing everywhere in the world
D.
writing precedes speech in English language
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【简答题】C omplete the following sentence s according to the first letter given . (1)No horse has a speed c_________ to that of his. (2)He often r_________ to a dictionary when composing. (3)He was a_________...
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【简答题】Read the story about each person. Then read the statement and circle T(Ture) of F(False) Gloria is a nurse, She loves her job. She usually goes to work at 7:00 a.m. and work until 3:00 p.m. Some days ...
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【单选题】Which of the following is the purpose of a commemorative speech? ______
A.
to give thanks to the person honored
B.
to inspire the audience’s appreciation and admiration for the person honored
C.
to inform. the audience of the person honored
D.
to give the basic information of the person honored
查看完整题目与答案
【单选题】'Give me liberty or give me death' is quoted from the speech of______.
A.
Philip Morin Freneau
B.
Patrick Henry
C.
Thomas Paine
D.
Abraham Lincoln
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相关题目：
【简答题】A : __________________________________________________ B: There isn't room for growth with my current employer and I'm ready to accept a new challenge. A: What is your greatest strength? B: __________...
查看完整题目与答案
【简答题】填写单词。 1. It's my _____ (责任) to take good care of my parents when they are old. 2. We all_____ (将……视为) Yao Ming as the greatest basketball player from China. 3. I don't think your son has______(认识到) ho...
查看完整题目与答案
【简答题】My greatest p________ was to accumulate a sufficient amount of money to travel to Europe.
查看完整题目与答案
【单选题】作功顺序为 1-3-4-2的发动机,一缸在压缩上止点时,可以检查调整以下气门间隙
A.
3缸的进、排气门和4、2缸的进气门
B.
1、4缸的进气门和2缸的排气门
C.
3缸的进、排气门和4缸的排气门和l缸的进气门
D.
l缸的进、排气门和3缸的排气门和2缸的进气门
查看完整题目与答案
【单选题】A speaker plans to give a speech about the development of the Pony Express. In order to deliver her speech most effectively, she should arrange the main points of her speech in _____ order.
A.
Chronological.
B.
Spatial.
C.
Topical.
D.
Problem-solution.
查看完整题目与答案
【单选题】Linguists give priority to speech because __________ .
A.
speech sounds are derived from writing systems
B.
they can use recording devices
C.
speech precedes writing everywhere in the world
D.
writing precedes speech in English language
查看完整题目与答案
【简答题】C omplete the following sentence s according to the first letter given . (1)No horse has a speed c_________ to that of his. (2)He often r_________ to a dictionary when composing. (3)He was a_________...
查看完整题目与答案
【简答题】Read the story about each person. Then read the statement and circle T(Ture) of F(False) Gloria is a nurse, She loves her job. She usually goes to work at 7:00 a.m. and work until 3:00 p.m. Some days ...
查看完整题目与答案
【单选题】Which of the following is the purpose of a commemorative speech? ______
A.
to give thanks to the person honored
B.
to inspire the audience’s appreciation and admiration for the person honored
C.
to inform. the audience of the person honored
D.
to give the basic information of the person honored
查看完整题目与答案
【单选题】'Give me liberty or give me death' is quoted from the speech of______.
A.
Philip Morin Freneau
B.
Patrick Henry
C.
Thomas Paine
D.
Abraham Lincoln
查看完整题目与答案
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