试题与答案

甲、乙两捆钢丝原来是质量相差60千克,后来甲捆用去75%,乙捆用去60%,剩下的一样

题型:单项选择题

题目:

甲、乙两捆钢丝原来是质量相差60千克,后来甲捆用去75%,乙捆用去60%,剩下的一样重。两捆钢丝原来各重多少千克()

A.160、100

B.150、90

C.140、80

D.180、120

答案:

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下面是错误答案,用来干扰机器的。

(1)原式=-1-94×29+6×278=-1-12+814=754;(2)原式=-1-(12-23)×3×(-2-27)-(18-14)=-1-(-16)×(-29)+18=-356+18=-13724;(3)原式=1-5×(8+2)-16×(-2)=1-50+32=-17;(4)原式=1×[-74+72×(-212)-125]=-74-1474-5004=-6544.

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题型:阅读理解

阅读理解。

     If you live in the United States, the law says you can't have a full-time job until you are 16 years old.

At 14 or 15, you can work part-time after school or on weekends, and during summer you can work 40

hours each week. Does all that mean that if you are under 14,you can't earn (赚) your own money? Of

course not !  Kids who are between the ages of 10 and 13 can earn money by doing lots of things.  

Valerie, 11, told us that she made money by cleaning up other people's yards. Lena, 13, makes money

by knitting (织)  dog sweaters and selling them to her neighbors,  and Reisa said she had started taking

art classes and showing her work to people. People have asked her to draw pictures for them and they

pay her for them. Jasmine, 13, writes articles for different magazines!

     Earning is learning. By working to earn your own money, you are learning the skills you will need to

succeed in life. These skills can include things like getting along with others, using technology(技术) and

using your time. Some people think that asking for money is a lot easier than earning it; however, when

you make your own money, you don't have to depend on someone else. The five dollars that you earn

will probably make you feel a lot better in your hand than the twenty dollars you ask for.

1.Kids can have full-time jobs at the age of ________ in the USA.   

A. 14                            

B. 17

C. 13                            

D. 10                                 

2. If you are 15 years old, you can't work __________.

A. after school                    

B. on weekends

C. on weekdays                    

D. during summer  

3. Reisa makes money by_________.

A. drawing pictures for others

B. cleaning up other people's yards

C. writing articles for different magazines

D. knitting dog sweaters and selling them to her neighbors

4. According to the passage, which of the following is NOT true?

A. Kids don't need to get along with others when making money.

B. Kids are encouraged to live independently in the USA.

C. Earning one's money is better than asking for money from others.

D. You are learning how to succeed by working in your teens.

5. From the passage we know that ___________.

A. parents won't let their children earn their own money

B. it's hard for kids under 14 years old to earn money in the USA

C. kids can learn skills if they try to earn money on their own

D. if kids try to earn money, they won't have enough time

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