题目内容

【题目】科学研究表明,月球上有丰富的He资源,可开发利用作未来的新型能源。

(1) He的中子数是________,He与He互称为________。

(2)α粒子是带有2个单位正电荷、质量数为4的原子核,由此推断α粒子含有________个质子和________个中子。

(3)在He、He两种核素中,原子核内的中子数之差为________,与α粒子有相同质子数和中子数的是________。

【答案】(1)1 同位素 (2)2 2 (3)1 He

【解析】(1)He表示质子数为2、质量数为3的一个氦原子,其中子数是3-2=1;He与He互称为同位素。(2)根据信息α粒子是一个原子核可知α粒子中不含电子,再由α粒子带有2个单位正电荷可知其含有2个质子,进而可以根据质量数为4的原子核推断出α粒子含有2个中子。(3)He中有2个质子和1个中子、He中有2个质子和2个中子,故二者中子数之差为1;在He中有2个质子和2个中子,与α粒子有相同质子数和中子数。

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There are many useful suggestions that can help one to improve English. Here are some of them to increase one’s English language vocabulary.

Learning English vocabulary is about much more than just learning the right words. It is based on understanding important words and expressions.

Learning a word will not help very much if you quickly forget it. Researches show that it takes from 10 to 20 repetitions(重复) to really make a word part of your vocabulary. Since most words are learned from how they are used in context (上下文), the more words one is shown, the better vocabulary one will have. Keep a piece of paper close to you. When you read, pay close attention to the word you do not know, write the word down and try to understand its meaning from the context. Then look up the word in a dictionary.

Remember that if you do not use English words that you have just learned in conversation or writing, you will forget them very quickly. So the best way to learn new words effectively is just by trying to use them in conversation and writing. Remember also that practice is the key to fluent spoken English.

Building vocabulary is a lifelong task. Remember: "In the beginning was the word." Your future could depend on how rich your vocabulary is. It will also determine the quality of your communication.

【1】 We can learn from the passage that learning English vocabulary _________.

A. is just about learning the right words

B. is about remembering more and more words

C. doesn’t require one to learn expressions

D. requires one to understand important expressions

【2】Which of the following is NOT true according to the passage?

A. To master a word, you need to repeat it 10-20 times.

B. If you remember a word, you are still able to forget it if you don’t use it.

C. It doesn’t take long to build one’s vocabulary.

D. Practice is very important in fluent spoken English.

【3】The best way to learn new words is _________.

A. trying to use them while speaking and writing

B. writing them down over and over again

C. always looking them up in the dictionary

D. reading them loudly over and over again

【4】What is the passage mainly about?

A. How to enrich your English vocabulary.

B. How to have a good conversation in English.

C. Why context is important in learning English.

D. How to improve the quality of communication.

【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。

Deep friendships can take years to develop, but they often last a lifetime. If you want to develop a deep friendship with another person, you have to be ready to put in time and open yourself up.

Pay attention to others, not yourself. ____1____ When you’re truly interested in someone else’s thoughts, feelings, experiences, and opinions, they’ll like you for this. You’ll make far more friends by showing your interest rather than trying to get people interested in you.

____2____ By listening carefully to what they say and do, you’ll quickly get to know them. Little things go a long way, such as remembering someone’s hobbies, the stories they’ve told you, and what’s going on in their life.

Share laughter and tears. Jokes and good laughs help to deepen relationships. ____3____ A true best friend will be there for you when you’re upset and will try to help you feel better.

Help your friend when he/she needs it. ____4____ If he/she’s having a bad day, send him/her a box of chocolate, or bring him/her an ice cream to help him/her get through the dark time.

Be honest. ____5____ If you have a problem, talk to your friend and only your friend about the problem. Gossip (闲话) can destroy a friendship.

A. Don’t ever talk behind your friend’s back.

B. Don’t be afraid to cry in front of your friend.

C. Make an effort to truly listen to the other person.

D. It’s never too late to increase your circle of friends.

E. The key to connecting with other people is showing interest in them.

F. Tell the person how much you care for him/her and what he/she means to you.

G. If your friend is sick, be there to make him/her soup, or drop by with a movie.

【题目】B

Tang Dynasty poets sang for about three centuries in different tones. There were many famous poets living in the Tang period such as Li Bai, Du Fu, Bai Juyi and Li Shangyin. Poems of the Tang Dynasty edited in the Qing Dynasty is a collection of more than 48,900 poem that were written by over 2,200 poets. But it didn’t cover all the poems of the Tang Dynasty.

During the Tang Dynasty, poems were recited when lovers walked under the moonlight. Poems were also recited when soldiers fought on the battlefield. People recited them in the open air or at temple fairs.

Tang Dynasty poets wrote poems to win fame and also to develop their temperament(性情). They poured out deep feelings for their friends and criticized in injustice in the world through poems.

In the Tang Dynasty scholars had to be poets. Their readers were not only people of high social position but also common people. Poets recited poems, women singers sang poems and other ranks of people, including old women and children, read Tang poems. This atmosphere affected foreigners who visited the country at that time. As a result, Tang poetry was introduced to some adjacent countries, like Japan and Vietnam.

Tang poetry is a most brilliant page in the history of ancient Chinese literature. It’s a miracle in the cultural history of mankind. The Tang Dynasty was a powerful empire with a vast territory. It inherited(继承)Chinese civilization that went back to ancient times, was combined with the best of other cultures and adopted the benefits of other nations in the world. Tang poetry wasn’t the only spiritual wealth created by the Tang Dynasty people. Philosophy and religion, handwriting and painting and music and dance all gained new peaks of development. Tang poetry, however, was the jewel in the crown and its greatest achievement.

【1】 We can conclude from the passage that_____________.

A. only people in the Tang Dynasty created poems

B. in total there were four famous poets in the Tang Dynasty

C. the Tang Dynasty probably existed for about three centuries

D. in the Tang Dynasty most common people were poets

【2】 Which of the following is NOT mentioned in the passage?

A. Why the poets created poems.

B. Some other kinds of spiritual wealth in the Tang Dynasty.

C. The significance and influence of the Tang Dynasty.

D. The editors of Poems of the Tang Dynasty.

【3】The underlined word"adjacent"in Paragraph 4 probably means_______________.

A. strong B. neighboring

C. poor D. rich

【4】 What does the author really want to tell us in Paragraph 4?

A. Tang Dynasty poems were quite popular.

B. In the Tang Dynasty all scholars were poets.

C. Many foreigners came to our country during the Tang Dynasty.

D. In the Tang Dynasty many poems were sung by women singers.

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