题目内容

【题目】Apart from the urgent problems caused by wars and conflicts, the UN helps countries with other problems such as education, starvation, disasters, AIDs and other diseases.

A. lack for B. lack in

C. lack D. lack of

【答案】D

【解析】句意:——晚上好,是两人用餐吗? ——对。我们想要一张靠边的桌子。Lack n.没有,不足,缺乏(通常在其后+of) ;Lack v.没有,缺乏,lack sth; 常用短语be lacking in缺乏(某种品质、特点等),不够,Lack for 缺(多用于否定句)。根据语意可知,此处为名词,故选D。

练习册系列答案
相关题目

【题目】 Parents should help their children understand money. __ 【1】So you may start talking about money when our child shows an interest in buying things, candy or toys , for example.

1.The basic function of money

Begin explaining the basic function of money by showing how people trade money for goods or services. It is important to show your child how money is traded for the things he wants to have. If he wants to have a toy, give him the money and let him hand the money to the cashier(收银员). _ 【2】When your child grows a bit older and understands the basic function of money, you can start explaining more complex ways of using money.

2. Money lessons

Approach money lessons with openness and honesty. 【3】If you must say no to a child’s request to spend money, explain,” You have enough toy trucks for now.” Or, if the request is for many different things, say, “you have to make a choice between this toy and that toy.”

3. 【4】

Begin at the grocery store. Pick out two similar brands of a product-a name-brand butter and a generic(无商标产品),for example. You can show your child how to make choices between different brands of a product so that you can save money. 【5】 If he chooses the cheaper brand, allow him to make another purchase(购买)with the money saved. Later, you may explain how the more expensive choice leaves less money for other purchases.

A. Wise decisions

B. The value of money

C. Permit the child to choose between them.

D. Tell your child why he can --or cannot---have certain things

E. Talk about how the money bought the thing after you leave the toy store.

F. The best time to teach a child any thing about money is when he shows an interest.

【题目】Tim Berners-Lee is the man who wrote the software program that led to the foundation of the World Wide Web. Britain played an important part in developing the first generation of computers. The parents of Tim Berners-Lee both worked on one of the earliest commercial (商业的) computers and talked about their work at home. As a child he would build models of computers from packing material. After graduating from Oxford University he went on to the real thing. In the 1980s, scientists were already communicating using a primitive version of e-mail. While working at a laboratory in Switzerland, Tim Berners-Lee wrote a program, which let him store these messages. This gave him another idea: write a program that will let academics(学术界人士) from across the world share information on a single place. In 1990 he wrote the HTTP and HTML programs which form the basis of the World Wide Web.

The next year his programs were placed on to the Internet. Everyone was welcome to use them and improve them if they could. Programmers used this codes(密码) to work with different operating systems. New things like web browsers(浏览器) and search engines were developed. Between 1991 and 1994 the number of web pages rose from 10 to 100,000.

In 1994 Tim Berners-Lee formed the newly formed World Wide Web consortium(协会), or W3C. More than 200 leading companies and laboratories are represented by W3C. Together they make sure that everyone can share equally on the web. “The Web can help people to understand the way that others live and love. It helps us understand the humanity of people.” he says.

1From the passage, we can infer that Tim Berners-Lee is .

A. British B. American

C. Swiss D. French

2Scientists began to communicate using e-mail .

A. in 1980 B. after the 1980s

C. before 1990 D. in the 1960s

3Tim Berners-Lee decided to write a program that would let academics from across the world share information on a single place when .

A. he was a child

B. he studied in Oxford University

C. he formed W3C

D. he worked at a lab in Switzerland

4Which of the following is NOT true?

A. The number of web pages rose rapidly in the 1990s.

B. Tim’s programs were placed on to the Internet in 1990.

C. The World Wide Web will have an effect on the social development.

D. Tim Berners-Lee made a great contribution to the computer science.

5The passage is mainly about .

A. when the Internet came into being

B. who Tim Berners-Lee is

C. why computers develop so rapidly

D. how the World Wide Web started

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网