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【单选题】
刚体受不平行的三个力作用而平衡时，此三个力的作用线在同一平面内，且必？
A.
汇交于一点
B.
代数和为零
C.
平行
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参考答案：
举一反三
【单选题】Earth has an atmosphere, which protects the surface from harmful rays.
A.
minerals
B.
substances
C.
gases
D.
beams
查看完整题目与答案
【简答题】Overweight has been a great concern for some people. In an attempt to keep normal weight, people have    48    tried various methods. Nevertheless, not all the ways are    49  when it comes to health....
查看完整题目与答案
【判断题】The typical North American diet mainly consists of fast food which are low in substances that can cause health problems. ()
A.
正确
B.
错误
查看完整题目与答案
【单选题】What does the professor mean when he says this?
A.
Little is known about defining a substance as an air pollutant.
B.
The substance isn't an air pollutant when there is a very little in the air.
C.
The substance can't be judged to be an air pollutant only from its actual concentration level.
D.
The actual concentration level means little to peopl
查看完整题目与答案
【单选题】柯垂尔气团的存在使材料的屈服强度
A.
变大
B.
变小
C.
不变
D.
无法确定
查看完整题目与答案
【单选题】What does the professor mean when he says this?
A.
Little is known about defining a substance as an air pollutant.
B.
The substance isn't an air pollutant when there is a very little in the air.
C.
The substance can't be judged to be an air pollutant only from its actual concentration level.
D.
The actual concentration level means little to people.
查看完整题目与答案
【单选题】Which of the following words stands for“-ine”
A.
kidney
B.
subordinate or auxiliary
C.
a substance of a particular class
D.
a chemical substanc
查看完整题目与答案
【单选题】132 经营者侵犯消费者的人格尊严或者侵犯消费者人身自由的,应当停止侵害,恢复消费者名誉,消除影响,向消费者赔礼道歉,并( )。
A.
退还货款
B.
赔偿损失
C.
负责退货
D.
支付医药费
查看完整题目与答案
【简答题】消费者名词解释
查看完整题目与答案
【单选题】（ ） 是收集消费者名单 ， 通过各种渠道广泛收集特定 消费者信息 ，这些信息包括：消费者姓名、年龄、家庭住址、联系电话、家庭收入、健康状况等，建立消费者 档案 数据库，并对这些数据进行分析整理，把消费者根据需求状况分类，确定目标消费人群。
A.
会议之前
B.
会议之中
C.
会议之后
D.
会议策划
查看完整题目与答案
相关题目：
【单选题】Earth has an atmosphere, which protects the surface from harmful rays.
A.
minerals
B.
substances
C.
gases
D.
beams
查看完整题目与答案
【简答题】Overweight has been a great concern for some people. In an attempt to keep normal weight, people have    48    tried various methods. Nevertheless, not all the ways are    49  when it comes to health....
查看完整题目与答案
【判断题】The typical North American diet mainly consists of fast food which are low in substances that can cause health problems. ()
A.
正确
B.
错误
查看完整题目与答案
【单选题】What does the professor mean when he says this?
A.
Little is known about defining a substance as an air pollutant.
B.
The substance isn't an air pollutant when there is a very little in the air.
C.
The substance can't be judged to be an air pollutant only from its actual concentration level.
D.
The actual concentration level means little to peopl
查看完整题目与答案
【单选题】柯垂尔气团的存在使材料的屈服强度
A.
变大
B.
变小
C.
不变
D.
无法确定
查看完整题目与答案
【单选题】What does the professor mean when he says this?
A.
Little is known about defining a substance as an air pollutant.
B.
The substance isn't an air pollutant when there is a very little in the air.
C.
The substance can't be judged to be an air pollutant only from its actual concentration level.
D.
The actual concentration level means little to people.
查看完整题目与答案
【单选题】Which of the following words stands for“-ine”
A.
kidney
B.
subordinate or auxiliary
C.
a substance of a particular class
D.
a chemical substanc
查看完整题目与答案
【单选题】132 经营者侵犯消费者的人格尊严或者侵犯消费者人身自由的,应当停止侵害,恢复消费者名誉,消除影响,向消费者赔礼道歉,并( )。
A.
退还货款
B.
赔偿损失
C.
负责退货
D.
支付医药费
查看完整题目与答案
【简答题】消费者名词解释
查看完整题目与答案
【单选题】（ ） 是收集消费者名单 ， 通过各种渠道广泛收集特定 消费者信息 ，这些信息包括：消费者姓名、年龄、家庭住址、联系电话、家庭收入、健康状况等，建立消费者 档案 数据库，并对这些数据进行分析整理，把消费者根据需求状况分类，确定目标消费人群。
A.
会议之前
B.
会议之中
C.
会议之后
D.
会议策划
查看完整题目与答案
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