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【单选题】
关于力矩有以下几种说法: (1) 对某个定轴而言,内力矩不会改变刚体的角动量。 (2) 作用力和反作用力对同一轴的力矩之和必为零。 (3) 质量相等、形状和大小不同的两个物体,在相同力矩的作用下,它们的角加速度一定相等。 在上述说法中
A.
只有(2)是正确的
B.
(1) (2)是正确的
C.
(2)(3)是正确的
D.
(1)(2)(3)都是正确的
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参考答案：
举一反三
【单选题】A topic sentence is a complete sentence that summarize the main idea of the paragraph. Which one is a good topic sentence?
A.
Two causes of the water pollution.
B.
There were two causes that led to the water pollution in this city.
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【判断题】砖砌体接槎时必须将接槎处的表面清理干净,浇水湿润,填实砂浆并保持灰缝平直。( )
A.
正确
B.
错误
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【单选题】Which one is NOT a good strategy to make a conversation going on?
A.
ask Yes or No question
B.
Go deeper with your questions
C.
Make your listener laugh
D.
Display relaxed body language
查看完整题目与答案
【单选题】Which one is a good topic sentence?
A.
Stress in college.
B.
You should learn something.
C.
There are some things you can do to deal with stress in college.
D.
There are some things you can do
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【单选题】Which one is not a good piece of advice on maintaining a healthy diet?
A.
Eating a variety of fruit and vegetables.
B.
Keeping salt intake to less than 5 g per day.
C.
Limiting intake of free sugars to less than 10% of total energy intake
D.
Eating a lot of smoky meat.
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【单选题】At the moment quite a lot of IT companies are losing money, but they __________, hoping that the industry will in time improve.
A.
hang up
B.
hang off
C.
hang in
D.
hang on
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【简答题】子宫收缩力的特点是(1)(2)(3)
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【单选题】下列影响项目质量的环境因素中，属于管理环境因素的是( )。
A.
项目现场施工组织系统
B.
项目所在地建筑市场规范程度
C.
项目所在地政府的工程质量监督
D.
项目咨询公司的服务水平
查看完整题目与答案
【单选题】Which one is a good thesis statement?
A.
Always do your homework before watching TV.
B.
"Whatever you are, be a good one." Abe Lincoln
C.
Marijuana should not be legalized because it is harmful to your health, will increase crime, & create more drug addicts.
D.
Marijuana can be used as medicine.
查看完整题目与答案
【简答题】At the moment quite a lot of IT companies are losing money, but they __________, hoping that the industry will in time improve. (hang)
查看完整题目与答案
相关题目：
【单选题】A topic sentence is a complete sentence that summarize the main idea of the paragraph. Which one is a good topic sentence?
A.
Two causes of the water pollution.
B.
There were two causes that led to the water pollution in this city.
查看完整题目与答案
【判断题】砖砌体接槎时必须将接槎处的表面清理干净,浇水湿润,填实砂浆并保持灰缝平直。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which one is NOT a good strategy to make a conversation going on?
A.
ask Yes or No question
B.
Go deeper with your questions
C.
Make your listener laugh
D.
Display relaxed body language
查看完整题目与答案
【单选题】Which one is a good topic sentence?
A.
Stress in college.
B.
You should learn something.
C.
There are some things you can do to deal with stress in college.
D.
There are some things you can do
查看完整题目与答案
【单选题】Which one is not a good piece of advice on maintaining a healthy diet?
A.
Eating a variety of fruit and vegetables.
B.
Keeping salt intake to less than 5 g per day.
C.
Limiting intake of free sugars to less than 10% of total energy intake
D.
Eating a lot of smoky meat.
查看完整题目与答案
【单选题】At the moment quite a lot of IT companies are losing money, but they __________, hoping that the industry will in time improve.
A.
hang up
B.
hang off
C.
hang in
D.
hang on
查看完整题目与答案
【简答题】子宫收缩力的特点是(1)(2)(3)
查看完整题目与答案
【单选题】下列影响项目质量的环境因素中，属于管理环境因素的是( )。
A.
项目现场施工组织系统
B.
项目所在地建筑市场规范程度
C.
项目所在地政府的工程质量监督
D.
项目咨询公司的服务水平
查看完整题目与答案
【单选题】Which one is a good thesis statement?
A.
Always do your homework before watching TV.
B.
"Whatever you are, be a good one." Abe Lincoln
C.
Marijuana should not be legalized because it is harmful to your health, will increase crime, & create more drug addicts.
D.
Marijuana can be used as medicine.
查看完整题目与答案
【简答题】At the moment quite a lot of IT companies are losing money, but they __________, hoping that the industry will in time improve. (hang)
查看完整题目与答案
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