Have you ever tasted your favorite Kool-Aid on a hot summer day? It tastes like the best thing in the world. Believe it or not. this kind of drink was invented by a little boy.

Edwin Perkins was a child in Nebraska. He liked to mix things together in the kitchen to see how they would taste. He loved to study chemistry and tried to invent things. His father owned a little store in his hometown. This was during the time that Jell-O was first introduced to the public. Edwin really liked the new product.

When he was about eleven years old, he got a book that would show him how to mix things together. He was very interested in how things worked or tasted once two or more products were mixed. When he was a little older, he asked for a kit(装备)that would give him ideas and instruction on becoming a manufacturer(制造商), which is someone who makes things with their hands or machines. Perkins developed many different products. When he was 25 years old, he had invented enough products that he set up his own mail order business, called Perkins Products, to sell his household goods to the public.

1.Kool-Aid may be_______.

A. a kind of food B. a kind of drink

C. a kind of plant D. a kind of ice-cream

2.Edwin Perkins liked to______ when he was young.

A. mix things together B. drink soft drinks

C. play with drinks D. help his father on business

3.Perkins learned how to mix things together from_______.

A. his father B. a cook C. a book D. an inventor

4.We can know_______from the passage.

A. when Edwin Perkins invented Kool-Aid

B. who invented Jell-O

C. how Kool-Aid was invented

D. when Perkins set up his own company

In many countries, some families are too far from schools for kids to go to. So online schools are_______for them. Students can have school wherever_______whenever they want. Also, many online schools can let students work at_______own pace.

_______good thing about online schools is that they can give different classes. There are English, math, science, and history classes, while some other online schools also give classes_______space science, French, and zoology.

Online schools also have different_______ways for kids to make use of. For example, many online schools have their websites, and on these websites students can watch videos, listen to given lessons, or chat with_______like teachers or other students freely. Some online schools have live(实时的)classes. In these classes, students can call and talk with the teacher. It_______that they are talking face to face,_______they will feel the teacher the same friendly as in real school. Other online schools even have online clubs for kids to talk about their hobbies(爱好).

Computer technology(技术)is amazing. Since 2006, thousands of online schools have come out in the US. Online schools are there with you, but it’s________to you to decide if this kind of learning is right for you.

1.A. only B. necessary C. impossible D. perfect

2.A. but B. and C. or D. so

3.A. their B. they C. them D. theirs

4.A. Other B. Others C. Another D. The other

5.A. such as B. for example C. however D. as for

6.A. study B. learned C. learning D. studied

7.A. some B. someone C. something D. some one

8.A. sounds B. seems C. look like D. feels

9.A. because B. though C. if D. unless

10.A. own B. left C. down D. up

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