题目内容

【题目】

1They are busy _________ ________ ________(准备)the wedding.

2He ______ ________ ___________(惭愧)having lied to his mum

3__________ _________ _________(代表)my colleagues and myself I thank you.

4There is no point _________ _________ ________ ________(陷入惊慌)about the exams.

5If you wan to see him, you have to ________ ________ ________(预约).

【答案】

1making preparationsfor

2was/felt ashamedof

3On behalfof

4getting intoapanic

5make anappointment

【解析】本题要求用正确的单词形式完成句子做此类题时要结合语法知识和固定搭配。

1考察固定短语。表示准备可以用短语make preparations for ,根据前面的be busy doing结构得知,填动名词 ,因此答案是making preparations for 。

2考察固定短语。表示感到惭愧可以用短语be/feel ashamed of ,根据题干中现在完成时having lied 得知用一般过去时, 因此答案是was/felt ashamed of 。

3考察固定短语。表示代表可以用on behalf of 短语位于句首,首字母用大写。因此答案是On behalf of 。

4考察固定短语。表示陷入惊慌可以用get into a panic 短语根据no point doing短语得知后面用动名词,因此答案是getting into a panic 。

5考察固定短语。表示预约可以用make an appointment 短语.位于have to 之后要用动词原形因此答案是make an appointment。

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【题目】It seems that electronic devices just keep getting smaller. Scientists in the United States have announced the creation of the first transistor with only two dimensions(二维).

A transistor is a small electronic device that transfers or carries electronic current. Scientists hope these new 2D transistors will be used for building high-resolution(高分辨率)displays that need very little energy.

Two groups of scientists created these 2D transistors. They report that the transistors are only a few atoms thick.

Usually transistors are made with the element silicon(硅). Computer processors, memory chips, TV screens and other electronic devices contain billions of silicon-based transistors. But these very small electrical parts have certain limitations.

Dimitris Ioannou is an electrical engineering professor at George Mason University. He says the traditional transistor has been improved as much as it can be.He adds that researchers have been looking for new materials with special features and they want transistors to be seen through and soft.

“If the layers are very thin, the transistor can become flexible, so it doesn't have to be rigid(坚硬的), like it would be in a silicon chip. So people can think of applications like wearable electronics, television screens and other things,” said Ioannou.

These new transistors can also carry higher current. They also can move the current much faster than traditional transistors. This is important for high-definition screens.

Dimitris Ioannou says the scientific success could prove very useful in the future. "Now, how good and how useful it will be, it's still in the stage of research, but it certainly is an advance," said Ioannou.

1Which of the following statements about the newly created transistor is TRUE?

A. They are expected to be used in high-resolution displays.

B. The transistors are made with the element silicon.

C. They are rigid, just like traditional transistors.

D. They have already been put into actual use.

2What does the underlined sentence in Paragraph 5 mean?

A. The traditional transistors have been changed into two-dimensional ones.

B. Many of the traditional transistors have been improved over the years.

C. The traditional transistor has been developed to its fullest.

D. The traditional transistor has been developed quite well.

3What is Dimitris Ioannou's attitude towards the creation of the new transistors?

A. Negative. B. Neutral.

C. Indifferent. D. Positive.

【题目】根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Most people buy a lot of gifts just before Christmas. But some people think we buy too much. They have started a special day called Buy Nothing Day.
Buy Nothing Day is November 29. It's 25 days before Christmas. It's after Thanksgiving and often the first day of Christmas shopping.
The idea for Buy Nothing Day started in Vancouver, British Columbia.In California, parents and children get together to read stories, sing songs, and paint pictures. The children talk about why they don't need a lot of toys. This year, in Manchester, England, people dressed up in costumes to tell people that we buy too much.
In Albuquerque, New Mexico, high school students wanted to tell other students about Buy Nothing Day. They organized a spaghetti dinner to give people information about Buy Nothing Day. They made posters and talked to other students about it. The students at high schools liked the idea of this new tradition. Next year, they want to have another dinner to tell more people about Buy Nothing Day.
A. They asked restaurants in the neighborhood to donate the food.
B. At this time, we see ads in Newspapers and, on TV telling us to “buy, buy, buy!”
C. Buy Nothing Day has successfully persuaded people not buy anything.
D. Many people think highly of the idea of Buy Nothing Day.
E. They don't want anyone to go shopping on that day.
F. Now people all over the world celebrate Buy Nothing Day.
G. The dinner was a big success, and many students agreed not to buy anything on November 29.

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