题目内容

Rewrite the following sentences as required(根据所给要求,改写下列句子。每空格限填一词)

1.Peter has bread and milk for breakfast.(改为否定句)

Peter_______ _________bread or milk for breakfast.

2.Mr. Smith and his wife seldom drive their car to work.(改为反意疑问句)

Mr. Smith and his wife seldom drive their car to work,______ ______?

3.You should take the medicine three times a day.(对划线部分提问)

________ ________should you take the medicine?

4.London will hold the next Olympic Games.(保持句意基本不变)

The next Olympic Games will _______ ______in London.

5.My grandpa began to learn how to use a computer when he was over sixty.(保持句意不变)

My grandpa began to learn how to use a computer in ______ ______.

6.Chinese people plant a large number of trees on March l2 every year.(改为被动语态)

A 1arge number of trees _______ ______on March 12 every year.

7."Are you doing your homework, Tom?" Mother asked.(把直接引语改为间接引语)

Mother asked Tom ______he _____doing his homework.

 

【答案】

1.doesn’t have

2.do they

3.How often

4.take place

5.his sixties

6.are planted

7.if/whether was

【解析】略

 

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Did you ever wonder how some of your favorite foods, products or toys came about? Believe it or not, they may have been an accident, or a failure of some other intention. Below, we found three mistakes we’re thankful for turned out to be what they are.

1. Most historians hold that the Chinese invented fireworks in the 9th century when they discovered how to make gunpowder. Story has it that a Chinese cook accidentally mixed together what were then considered common kitchen items and noticed they burnt. When put tightly in a bamboo tube and lit, it blew up.

2. In May of 1886, a law led John Pemberton, a pharmacist(药剂师), to rewrite the formula(配方) for “Pemberton’s French Wine Coca”, his popular headache treatment. Containing sugar instead of wine as a sweetener, the outcome became something for Coke, which was later mixed with carbonated(碳酸) water. His bookkeeper suggested the name Coca-Cola because he thought the two C’s would look good together, which is how what we call Coca-Cola, a world-wide drink came into being.

3. During World WarⅡ, scientists at the University of Birmingham invented the magnetron(磁控管)—an important heat-producing part of the microwave oven. While working for Raytheon Corporation after the war, the American engineer Percy Spencer was testing the magnetron when a chocolate bar in his pocket melted. He went on to test other foods including popcorn kernels(仁), and found it to be a much more efficient way to cook. In 1947 Raytheon came out with the first restaurant microwave oven, which was six feet tall and weighed 750 lbs.
【小题1】The right time order of the three inventions should be ________.

A.fireworks, the microwave and Coca-Cola
B.fireworks, Coca-Cola and the microwave
C.Coca-Cola, fireworks and the microwave
D.the microwave, Coca-Cola and fireworks
【小题2】Percy Spencer found the microwave efficient in cooking when he was ________.
A.looking for a way to melt his chocolate
B.trying to know how a magnetron could cook
C.working to know how the magnetron works
D.asked to invent a restaurant microwave oven
【小题3】The underlined phrase “ blew up” might mean _______ in Chinese.
A.爆炸B.膨胀C.升华D.蒸发
【小题4】What can we learn from the above invention stories?
A.Experiments make great inventors of our time.
B.Nothing is impossible if one tries each day.
C.Inventors come out of hard work at any time.
D.A small incident may lead to a great invention.

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