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【单选题】
螺纹连接预紧的目的之一是
A.
增强连接的可靠性和紧密性
B.
增加被连接件的刚性
C.
减小螺栓的刚性
D.
增加螺栓的刚性
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参考答案：
举一反三
【单选题】听力原文：M: That red shirt is nice, but it's very expensive. I am not going to spend $40 on a shirt. W: Do you like the green one? It's a little cheaper. M: It's good but still more than I want to spend. ...
A.
He thinks it is cheap.
B.
He doesn't like it at all.
C.
He thinks it is too expensive.
D.
He doesn't like the color.
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【简答题】初级卫生保健的基本原则是什么？
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【简答题】阅读理解，判断正误，对的用“T”，错的用“F”。 This is my study. ICs very nice. My desk is red. My chair is red, too. You can see some books in the bookcase. My school bag is on the bed. Look! What's that on the desk? Oh, ...
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【简答题】The Dragon Boat festival is very popular in China, it usually comes in May or June. On that day, people eat a special food--- rice dumplings. It is known as dragon-boat racing. Dragon-boat racing is t...
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【单选题】强度为I0的自然光通过两个偏振化方向互相垂直的偏振片后，出射光强度为零。若在这两个偏振片之间再放入另一个偏振片，且其偏振化方向与第一偏振片的偏振化方向夹角为30°，则出射光强度为：（ ）
A.
0
B.
3 I 0 / 8
C.
3 I 0 / 16
D.
3 I 0 / 32
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【单选题】实施初级卫生保健的基本原则是（）。
A.
自愿参加，多方筹资；以收定支，保障适度
B.
合理分配资源，社区参与，预防为主，适宜技术，综合利用，合理转诊
C.
坚持公益性质，注重卫生服务的公平、效率和可及性；坚持政府主导，鼓励社会参与；坚持实行区域卫生规划；坚持预防为主，公共卫生和基本医疗并重，中西医并重；坚持以地方为主，因地制宜
D.
承认享有最高可能的健康水平是一项基本人权
E.
制定健康的公共政策，创造支持性环境，强化社区行动，发展个人技能，调整卫生服务方向
查看完整题目与答案
【单选题】听力原文：M: That red shirt is nice, but it's very expensive. I am not going to spend $40 on a shirt. W: Do you like the green one? It's a little cheaper. M: It's still more than I want to spend. What is t...
A.
It's just what the man wants.
B.
The man doesn't like it at all.
C.
It's less than 40 dollars.
D.
The man doesn't like the color.
查看完整题目与答案
【简答题】请注意听短文内容，填入所缺的词。(听两遍) Look at this picture. The girl in a red 1. is Wei Hua. She is 2. No.15 Secondary School. There is a man near her. 3. he? He is Wei Hua's father. 4. look very happy. Wei Hua 5. a ...
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【单选题】Read the following conversation. What fallacy does Dylan’s argument have? Dylan: This college is very paternalistic in its student policies.Roman: What reason do you have for saying that?Dylan: Becaus...
A.
Circular reasoning.
B.
Red herring.
C.
Straw man.
D.
Appeal to ignorance.
查看完整题目与答案
【简答题】阅读短文并回答问题。 Look at the photo. These are my teachers. The man in the middle is Mr. Chang. He is our principal (校长). He is short, but he is very smart and kind. Near Mr. Chang, there is my math teacher-...
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相关题目：
【单选题】听力原文：M: That red shirt is nice, but it's very expensive. I am not going to spend $40 on a shirt. W: Do you like the green one? It's a little cheaper. M: It's good but still more than I want to spend. ...
A.
He thinks it is cheap.
B.
He doesn't like it at all.
C.
He thinks it is too expensive.
D.
He doesn't like the color.
查看完整题目与答案
【简答题】初级卫生保健的基本原则是什么？
查看完整题目与答案
【简答题】阅读理解，判断正误，对的用“T”，错的用“F”。 This is my study. ICs very nice. My desk is red. My chair is red, too. You can see some books in the bookcase. My school bag is on the bed. Look! What's that on the desk? Oh, ...
查看完整题目与答案
【简答题】The Dragon Boat festival is very popular in China, it usually comes in May or June. On that day, people eat a special food--- rice dumplings. It is known as dragon-boat racing. Dragon-boat racing is t...
查看完整题目与答案
【单选题】强度为I0的自然光通过两个偏振化方向互相垂直的偏振片后，出射光强度为零。若在这两个偏振片之间再放入另一个偏振片，且其偏振化方向与第一偏振片的偏振化方向夹角为30°，则出射光强度为：（ ）
A.
0
B.
3 I 0 / 8
C.
3 I 0 / 16
D.
3 I 0 / 32
查看完整题目与答案
【单选题】实施初级卫生保健的基本原则是（）。
A.
自愿参加，多方筹资；以收定支，保障适度
B.
合理分配资源，社区参与，预防为主，适宜技术，综合利用，合理转诊
C.
坚持公益性质，注重卫生服务的公平、效率和可及性；坚持政府主导，鼓励社会参与；坚持实行区域卫生规划；坚持预防为主，公共卫生和基本医疗并重，中西医并重；坚持以地方为主，因地制宜
D.
承认享有最高可能的健康水平是一项基本人权
E.
制定健康的公共政策，创造支持性环境，强化社区行动，发展个人技能，调整卫生服务方向
查看完整题目与答案
【单选题】听力原文：M: That red shirt is nice, but it's very expensive. I am not going to spend $40 on a shirt. W: Do you like the green one? It's a little cheaper. M: It's still more than I want to spend. What is t...
A.
It's just what the man wants.
B.
The man doesn't like it at all.
C.
It's less than 40 dollars.
D.
The man doesn't like the color.
查看完整题目与答案
【简答题】请注意听短文内容，填入所缺的词。(听两遍) Look at this picture. The girl in a red 1. is Wei Hua. She is 2. No.15 Secondary School. There is a man near her. 3. he? He is Wei Hua's father. 4. look very happy. Wei Hua 5. a ...
查看完整题目与答案
【单选题】Read the following conversation. What fallacy does Dylan’s argument have? Dylan: This college is very paternalistic in its student policies.Roman: What reason do you have for saying that?Dylan: Becaus...
A.
Circular reasoning.
B.
Red herring.
C.
Straw man.
D.
Appeal to ignorance.
查看完整题目与答案
【简答题】阅读短文并回答问题。 Look at the photo. These are my teachers. The man in the middle is Mr. Chang. He is our principal (校长). He is short, but he is very smart and kind. Near Mr. Chang, there is my math teacher-...
查看完整题目与答案
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