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3D printers are certainly the superstar ...

3D printers are certainly the superstar today---they are being put to all kinds of uses, including creating model cars for movies. However, none of these ideas are as crazy as the one suggested by Anjan Contractor, who believes that they will be the key to ending world hunger(饥饿).

If you think that sounds a little crazy, you are not the only one, but after hearing scientists, the idea seems to become true.

According to scientists, food will become extremely expensive and possibly, even out of reach, for billions of people in the future. It means billions of people won’t have enough food.

This is where 3D printers may save the day. Anjan, an engineer says that the only way to support the large population will be to provide every kitchen with a 3D printer and print out meals.

More importantly, it would be to make the basic food from things that we now do not think can be eaten. Anjan thinks that we could easily get the meat protein(蛋白质) from insects(昆虫). Similarly, the vegetable nutrition(营养)could be made from greens like grass. Would you want to try 3D printed food?

1.The craziest idea is that          according to the passage.

A. 3D printers are used to create model cars.

B. 3D printer are used for architectural models.

C. 3D printers will be the key to ending world hunger.

D. 3D printers are the superstars today .

2.The underlined word “extremely” here mean       .

A. very   B. a little   C. little  D. so

3.When there isn’t enough food in the future,       may save people.

A. only 3D printers

B. only the scientists

C. the kitchens with 3D printers

D. the vegetable nutrition

4.Anjan thinks that we can get the meat protein from         in the future.

A. grass   B. insects   C. animals    D. plants

5.From the passage we know that          .

A. people will have enough food to eat in the future.

B. scientists can use 3D printers to print food now.

C. 3D printers are being put to many uses

D. people can get any food and vegetables without planting

 

1.C 2.A 3.C 4.B 5.C 【解析】 试题分析: 1. 2. 3. 4. 5. 考点:科技类阅读。
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In many British schools, the pupils usually wear their school uniforms to school on weekdays.However, recently the students at LVS Ascot Junior School in England wore something quite different.What they wore was what people wear when they go to bed—pyjamas (睡衣).They did this not only for fun, but for a local charity called Christopher's Smile.

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Welcome to Jiulong hotel and we will do all we can to make your stay an enjoyable one. We hope you will find the following useful to you.

Meal times

Breakfast              7:30 9:30 am

Lunch                12:00 2:00 pm

Afternoon tea           4:00 5:30 pm

Dinner                7:00 9:15 pm

Tea, coffee, cakes and sandwiches can be brought to your rooms from 10:00 am to 11:00 pm except during the meal times listed above. Cold drinks in your rooms can be used at any time.

Room cleaning

The waiters will clean the room if you leave the room at any time between 9:00 am and 4:00 pm.

Valuables

Please put your valuables in our safe (保险箱), or we can’t be responsible (负责的) for your loss.

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If you want to leave, please tell us before 6:30 pm of the day. Or you will have to pay for another day.

Attention

To make sure of other people’s good rest, turn down the radio or the TV after 11:00 pm.

1.The hotel serves the following foods in rooms EXCEPT     .

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A. The waiters in the hotel work for 8 hours a day.

B. The hotel can look after your things in the room well.

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