试题与答案

在研究杠杆的平衡条件的实验中： （1）杠杆的位置如图甲所示，此时应调节杠杆左端的

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题型：实验题

题目：

在研究杠杆的平衡条件的实验中：

（1）杠杆的位置如图甲所示，此时应调节杠杆左端的螺母使其向_________移动，或者调节杠杆右端的螺母使其向__________移动，以使杠杆在水平位置平衡。

（2）图乙和丙是小芳在某次实验中，在A点挂了2个钩码，则怎样挂钩码才能使杠杆在水平位置平衡？请你帮小芳设计两种方案，分别画在图乙和丙中。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：教师要有教育理想。有了教育理想教师就会把教育当作事业来做，而不仅仅是谋生的手段，就会爱岗敬业，爱生乐业，有了教育理想，教师就会心有定力，抗拒外边世界的诱惑，即金钱、地位、名誉。执着自己的...

考点：杠杆的平衡条件
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题型：阅读理解
阅读理解。
     Below is adapted from an English dictionary.
     Use the dictionary to answer the following questions.
figure / f?g? / noun, verb                            
● noun  
1. a number representing a particular amount, especially one given in official information: the trade / sales figures 
 2. a symbol rather than a word representing one of the numbers between 0 and 9: a six- figure salary 
 3. (informal) the area of mathematics that deals with adding, multiplying, etc. numbers  
4. a person of the type mentioned: Gandhi was both a political and a religious figure in Indian history.  
5. the shape of a person seen from a distance or not clearly  
6. a person or an animal as shown in art or a story: a wall with five carved figures in it  
7. the human shape, considered from the point of view of being attractively thin: doing exercise to improve one’s figure   
 8. a pattern or series of movements performed on ice: figure-skating be / become a figure of fun: be / become sb. that others laugh at  cut a…		put a figure on sth:  to say the exact price or number of sth.  a fine figure of man / woman: a tall, strong-looking and well-shaped person  figure of speech: a word or phrase used in a different way from its usual meanings in order to create a particular mental image or effect  figurehead: someone who is the head or chief in name only (with no real power or authority) 
 ● verb  
1. to think or decide that sth. will happen or is true: I figured that if I took the night train, I could be in Scotland by morning.  
2. to be part of a process, situation, etc. especially an important part: My opinion of the matter didn’t seem to figure at all.  
3. to calculate an amount or the cost of sth: We figured that attendance at 150,000.  
* figure in: to include (in a sum): Have you figured in the cost of hotel?    
* figure on: to plan on; to expect sth. to happen: I haven’t figured on his getting home so late.    
* figure out: to work out; understand by thinking: Have you figured out how much the trip will cost?  
* It / That figures!:  That seems reasonable.  

1. According to the information above, which of the following sentence is not right?
A. This year’s sales figures were quite excellent.
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C. She was the leading figure in British politics in the 1980s.
D. He was about to speak but she put a figure on his lips to stop him.
2. —  She was coming late again for the work.
     — ______! That’s typical of her. You just can’t do anything to stop her doing that.
A. It figures her out
B. She is a figure of fun
C. It cuts a poor figure
D. It figures
3. The phrase “watch my figure” in the sentence “Don’t tempt me with chocolate; I am watching
    my figure.” means “______”.
A. add the numbers
B. have sports
C. try not to get fat
D. watch games
4.Which underlined word in the following sentences is used as figure of speech?
A. John is fond of animals and raises a rabbit as a pet.
B. In some countries, bamboo can be used to build houses.
C. We all regard Mr. Smith as an important figure in our company.
D. I didn’t really mean my partner was a snake.
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