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小明看到工人常常是沿着斜面将油桶推上汽车．小明想：为什么不直接将油桶搬上车呢？难道这样做可以省力吗？如果能省力，那么推力的大小与斜面长度有关吗？为了探究推力大小与斜面长度的关系，小明选用弹簧测力计、重4N的物块和长度分别为0.4m、0.8m、1m的木板进行了三次实验，每次斜面的高度均为0.2m．测得沿斜面方向的拉力大小分别如图所示．（假设木板很光滑，不计摩擦） （1）分析数据，写出F与L的关系：______． （2）下列四个图线中，哪个图能正确反映出F与L的关系，答：______．
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举一反三
【单选题】40 Considering alternate suppliers is a form. of _____.
A.
Value engineering.
B.
Risk Analysis
C.
Contract Management
D.
Project integration
E.
All of the above
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【单选题】122 Considering alternate suppliers is a form. of _____.
A.
Value engineering.
B.
Risk Analysis
C.
Contract Management
D.
Project integration
E.
All of the above
查看完整题目与答案
【单选题】In considering the major classes of risks, which risk would best describe an entity with weak internal controls that could easily be circumvented with a lack of segregation of duties?
A.
Business Risk
B.
Legal and Regulatory Risk
C.
Operational Risk
D.
Strategic Risk
查看完整题目与答案
【单选题】In considering the major classes of risks, which risk would best describe an entity with weak internal controls that could easily be circumvented with a lack of segregation of duties?
A.
Business risk
B.
Legal and regulatory risk
C.
Operational risk
D.
Strategic risk
查看完整题目与答案
【判断题】若有int a[10],*p=a;则p++和a++的作用相同.
A.
正确
B.
错误
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【判断题】车辆行驶途中,在雨、雪、雾、大风等气候条件下必须减速慢行,同时开启相应的强光灯
A.
正确
B.
错误
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【单选题】神经心理学的研究一般认为思考的心理过程分为两个阶段，哪一阶段与创意思考有着密切的关联？（）
A.
思考的产生阶段
B.
思考的批判阶段
C.
以上都是
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【判断题】Risk assessment is dynamic, considering the effect of changes in the internal and external environments.
A.
正确
B.
错误
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【单选题】that it is necessary to protect the goods from any conceivable losses, you should insure them against all possible risk.A. Consider B. Considering C. To consider D. Considered
A.
Consider
B.
Considering
C.
To consider
D.
Considered
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【单选题】下列关于待定点高程计算公式中,属于运用视线高法水准测量的是
A.
=+
B.
=-b
C.
=a-b
D.
=+a-b
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【单选题】40 Considering alternate suppliers is a form. of _____.
A.
Value engineering.
B.
Risk Analysis
C.
Contract Management
D.
Project integration
E.
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【单选题】122 Considering alternate suppliers is a form. of _____.
A.
Value engineering.
B.
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C.
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【单选题】In considering the major classes of risks, which risk would best describe an entity with weak internal controls that could easily be circumvented with a lack of segregation of duties?
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Operational Risk
D.
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【单选题】In considering the major classes of risks, which risk would best describe an entity with weak internal controls that could easily be circumvented with a lack of segregation of duties?
A.
Business risk
B.
Legal and regulatory risk
C.
Operational risk
D.
Strategic risk
查看完整题目与答案
【判断题】若有int a[10],*p=a;则p++和a++的作用相同.
A.
正确
B.
错误
查看完整题目与答案
【判断题】车辆行驶途中,在雨、雪、雾、大风等气候条件下必须减速慢行,同时开启相应的强光灯
A.
正确
B.
错误
查看完整题目与答案
【单选题】神经心理学的研究一般认为思考的心理过程分为两个阶段，哪一阶段与创意思考有着密切的关联？（）
A.
思考的产生阶段
B.
思考的批判阶段
C.
以上都是
查看完整题目与答案
【判断题】Risk assessment is dynamic, considering the effect of changes in the internal and external environments.
A.
正确
B.
错误
查看完整题目与答案
【单选题】that it is necessary to protect the goods from any conceivable losses, you should insure them against all possible risk.A. Consider B. Considering C. To consider D. Considered
A.
Consider
B.
Considering
C.
To consider
D.
Considered
查看完整题目与答案
【单选题】下列关于待定点高程计算公式中,属于运用视线高法水准测量的是
A.
=+
B.
=-b
C.
=a-b
D.
=+a-b
查看完整题目与答案