问题 填空题

元素周期表是学习和研究化学的重要工具,它的内容十分丰富。下表是依据元素周期表画出的原子序数为l~18的元素的原子结构示意图。我对它进行了认真的研究:

(1)上图中硫元素的核电荷数Z=              ;氯元素的最外层电子数y=             (填数值), 与氯元素化学性质相似的元素是                 

(2)核电荷数为13的元素的原子失去3个电子后,形成的粒子的符号是           ,它的核外电子排布与          元素的原子核外电子排布相同。

(3)我发现上图的排列具有一定的规律,如:同一行中,从左到右元素的核电荷数依次增加。我还能找到其中一个规律                                        

答案

(1)16;7;氟

(2)Al3+;Ne

(3)同一行中,从左到右元素的最外层电子数依次增加(或同一列中,从上到下元素的最外层电子数相同。合理即可)

阅读理解

阅读理解。

     阅读下列材料, 从所给的六个选项(A、B、C、D、E和F)中,选出符合各小题要求的最佳选项。

选项中有一项是多余选项。

     The people below are all looking for a course on Chinese to study. Read the following information about

the six courses. Decide which course would be the most suitable for the people mentioned in questions 1-5.

One of the letters may not be chosen. 

1. Mathew majors in media and hopes to understand Chinese broadcasting and TV News and

   communicate with the Chinese people. 

2. Sarah is a Learner of Chinese with a fairly good knowledge of basic Chinese grammar and a vocabulary

   of 2500, hoping to improve her Chinese ability in speaking, reading and writing. 

3. Lois majors in Teaching Chinese as a Foreign Language and hopes to improve her ability in translation. 

4. Dennis once has taught himself Chinese and can speak a little Chinese but with poor pronunciation and 

   grammar, hoping to meet the needs of everyday life and study, and understand each other in basic 

   communication through training. 

5. Georgia specializes in the Chinese language and culture at the average. He plans to have a tour in China.

A. Comprehensive language skill training 100 lessons in total focusing on pronunciation, grammar and

    discourse (语段). To enable the learner to master the basic knowledge of the Chinese language, to

    have the basic ability of listening, speaking, reading and writing, so that they are able to communicate

    with others and to meet the needs of everyday life, study and sociality. This will lay a foundation for

    further study of Chinese.

B. Intermediate (中等) Chinese Comprehensive Course 40 lessons in all, focusing on the training of the

    comprehensive skills of listening, speaking, reading and writing of intermediate Chinese. To enable the

    students to recognize, understand and use the active and less active words, to improve their ability of

    expressing themselves in paragraphs and discourse, to master the new words, patterns, grammatical

    structures, paragraphs and discourse and means of connections so as to express the meaning of the

    texts correctly and fluently in paragraphs and discourse.

C. News Listening Based on frequently used words, typical sentences and information and concentrating 

    on improving the ability of listening comprehension. To improve the ability of collecting information, to

   grasp the knowledge and skills they have learned and to understand the broadcasting and TV news of

   similar themes and relevant level of difficulty with the correctness of 80%. To build up the foundation

   for further study.

D. Elementary English-Chinese Translation 25 classes in total, including various styles such as poems, popular

    science, political comments and news, about every aspect of everyday life. The texts vary from easy to

    difficult and combine theory with practice as well as translation and interpretation. About 185 hours are

    needed. To familiarize the learner with the equivalent (对应的) Chinese expressions of English. To enable

    them to know usage of Chinese and English words and sentences, cultural differences and the background

    knowledge.

E. Elementary Spoken Chinese in Business 24 units in all. Chinese words and expressions in business and trade

    are introduced in the form of vivid situational dialogues, notes and exercises. To enable the learner to master

    the words and expressions of elementary spoken business Chinese and to communicate with others in trade

    and business.

F. Chinese Human Geography Introduction to geographic environment and cultural phenomena in various parts

    of China, such as natural features, historical backgrounds, religious sites, ancient battle fields, dramas and

    arts, traditional products, and special food, etc. Through the introduction to historical and cultural sites and

     scenery, the learner will have a general view about Chinese geography, history, culture and regional features.

问答题 简答题