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【多选题】
防止静电危害一方面要控制静电产生，另一方面要防止静电的积累，主要预防措施有( )
A.
工艺控制法
B.
自然泄漏法
C.
静电中和法
D.
防静电接地法
E.
搅拌控制法
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参考答案：
举一反三
【单选题】伽利略的斜面实验证明了 ( )
A.
力不是维持物体运动的原因 , 没有力作用的物体也可以运动
B.
要使运动物体静止必须有力作用 , 没有力作用的物体就一直运动
C.
物体不受外力作用时 , 一定处于静止状态
D.
一切物体都有惯性
查看完整题目与答案
【单选题】Which of the following statements is NOT true?（）
A.
The open field system provided a good opportunity to experiment.
B.
The open field system wasted land.
C.
The open field system was wasteful of labor and time.
D.
The open field system made livestock farming difficult.
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_14.C) #include func(int a, int b){ static int m=0,i=2; i+=m+1; m=i+a+b; return(m); } int main(){ int k=4,m=1,p; p=func(k,m);printf("%d,",p); p=func(k,m);printf("%d",p...
A.
8,15
B.
8,16
C.
8,17
D.
8,18
查看完整题目与答案
【单选题】伽利略的斜面实验证明了 ( )
A.
使物体运动必须有力的作用，没有力的作用，物体将静止
B.
使物体静止必须有力的作用，没有力的作用，物体将运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时，总保持原来的匀速直线运动状态或者静止状态
查看完整题目与答案
【简答题】 A 6-year-old boy is brought to the family physician after his parents noticed that he had difficulty moving his arms and legs after a soccer . About 10 minutes after leaving the field, the boy b...
查看完整题目与答案
【单选题】伽利略的理想斜面实验证明了
A.
要使物体运动就必须有力的作用，没有力的作用物体就静止
B.
要使物体静止就必须有力的作用，没有力的作用物体就运动
C.
物体不受力作用时，一定处于静止状态
D.
物体不受外力作用时，总是保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【判断题】基因导入可能刺激免疫系统,从而引起免疫反应。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Most people have no idea of the hard work and worry that gointothe collecting of those fascinating birds and animals that they pay to see in the zoo.One of the questions that is always asked of me is ...
A.
region
B.
field
C.
place
D.
case
查看完整题目与答案
【简答题】There was great interest when a big hole mysteriously appeared in the middle of a field. Engineers were called in to explain how it had got there. They offered various explanations but were not at all...
查看完整题目与答案
【单选题】A 40-year-old tobacco farmer is seen in the ER with bradycardia, profuse sweating, vomiting, increased salivation, and blurred vision. He was spraying his field with malathion when the hose ruptured a...
A.
Competitive
B.
Noncompetitive
C.
Irreversible
D.
Reversible
E.
The drug does not work by inhibiting enzyme activity.
查看完整题目与答案
相关题目：
【单选题】伽利略的斜面实验证明了 ( )
A.
力不是维持物体运动的原因 , 没有力作用的物体也可以运动
B.
要使运动物体静止必须有力作用 , 没有力作用的物体就一直运动
C.
物体不受外力作用时 , 一定处于静止状态
D.
一切物体都有惯性
查看完整题目与答案
【单选题】Which of the following statements is NOT true?（）
A.
The open field system provided a good opportunity to experiment.
B.
The open field system wasted land.
C.
The open field system was wasteful of labor and time.
D.
The open field system made livestock farming difficult.
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_14.C) #include func(int a, int b){ static int m=0,i=2; i+=m+1; m=i+a+b; return(m); } int main(){ int k=4,m=1,p; p=func(k,m);printf("%d,",p); p=func(k,m);printf("%d",p...
A.
8,15
B.
8,16
C.
8,17
D.
8,18
查看完整题目与答案
【单选题】伽利略的斜面实验证明了 ( )
A.
使物体运动必须有力的作用，没有力的作用，物体将静止
B.
使物体静止必须有力的作用，没有力的作用，物体将运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时，总保持原来的匀速直线运动状态或者静止状态
查看完整题目与答案
【简答题】 A 6-year-old boy is brought to the family physician after his parents noticed that he had difficulty moving his arms and legs after a soccer . About 10 minutes after leaving the field, the boy b...
查看完整题目与答案
【单选题】伽利略的理想斜面实验证明了
A.
要使物体运动就必须有力的作用，没有力的作用物体就静止
B.
要使物体静止就必须有力的作用，没有力的作用物体就运动
C.
物体不受力作用时，一定处于静止状态
D.
物体不受外力作用时，总是保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【判断题】基因导入可能刺激免疫系统,从而引起免疫反应。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Most people have no idea of the hard work and worry that gointothe collecting of those fascinating birds and animals that they pay to see in the zoo.One of the questions that is always asked of me is ...
A.
region
B.
field
C.
place
D.
case
查看完整题目与答案
【简答题】There was great interest when a big hole mysteriously appeared in the middle of a field. Engineers were called in to explain how it had got there. They offered various explanations but were not at all...
查看完整题目与答案
【单选题】A 40-year-old tobacco farmer is seen in the ER with bradycardia, profuse sweating, vomiting, increased salivation, and blurred vision. He was spraying his field with malathion when the hose ruptured a...
A.
Competitive
B.
Noncompetitive
C.
Irreversible
D.
Reversible
E.
The drug does not work by inhibiting enzyme activity.
查看完整题目与答案
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