account for (=give an explanation or reason for) 解释, 说明. He has been asked to account for his conduct. 他被要求解释他的行为. 查看更多

 

题目列表(包括答案和解析)

Johnny Smith was a good math student at a high school. He loved his computer. He came home early every day, then he worked with it till midnight. But Johnny was not a good English student, not good at all. He got an F in his English class. One day after school Johnny joined his computer to the computer in his high school office. The school office computer had the grades of all the students: the math grades, the science grades, the grades in arts and music, and the grades in English. He found his English grade. An F! Johnny changed his English grade from an F to A. Johnny’s parents looked at his report card. They were very happy.  “An A in English!” said Johnny’s Dad. “You’re a very clever boy, Johnny.”
Johnny is a hacker (黑客). Hackers know how to take information from other computers and put new information in. Using a modem (调制解调器), they join their computers to other computers secretly. School headmasters and teachers are worried about hackers. So are the police, for some people even take money from bank computer account (账户) and put it into their own ones. And they never have to leave home to do it! They are called hackers.
【小题1】Johnny changed his English grade with the computer in _______.

A.the classroomB.the school office
C.his own houseD.a bank near his house
【小题2】When Johnny’s parents saw the report, they were happy because _______.
A.Johnny was good at math
B.Johnny loved computers
C.Johnny could join one computer to another
D.they thought Johnny was not poor in English any longer
【小题3】Who are worried about hackers in the story?
A.Johnny’s parents.
B.School headmasters, teachers and the police.
C.The police.
D.School headmasters and teachers.
【小题4】What should the hackers know well, do you think, after you read this story?
A.Information.B.Grades.
C.Computers.D.Back computer accounts.
【小题5】The last paragraph is about _______.
A.JohnnyB.computersC.hackersD.modem

查看答案和解析>>

共5小题;每小题2分,满分10分(请把此题的答案涂在答题纸上相应的位置)

根据短文内容,从下边的A-F选项中选出能概括每一段主题的最佳选项。选项中有一些为多余项。

A. Drug overuse and its consequence

B. The problem of drug overuse in America

C. Benefits of medicine and its wise use

D Female drug overuse with reference to that of males

E Misuse of medicine among the young generation

F. Improper use of medicine among senior citizens

             

   Nowadays. millions of people misuse and even overuse pain medications and other drugs. Research by the American National Institute on Drug Abuse (NIDA, 1999) shows that around 2% of the population over age 12 were using drugs non-medically.

NIDA views medications as a powerful force for good in the contemporary world. They reduce and remove pain for millions of people suffering from illness and disease. They make it possible for doctors to perform complicated surgery to save lives. Many people afflicted by serious medical conditions are able to control their symptoms and become active, contributing citizens. NIDA points out that most individuals who take these drugs use them in a responsible.

  

Nevertheless, overuse of drugs such as opioids, central nervous system (CNS) depressants and stimulants does lead to harmful reliance in some people and is therefore becoming a serious public health concern. Although this abuse affects many people worldwide, particular trends of concern to the medical profession in the US appear among older adults, teenagers arid women.

64.

   Though it may be a surprise to many, the misuse of medications may be the most common form of drug abuse among the elderly. Dr Kenneth Schrader of Duke University, North Carolina states that although the elderly represent about 13% of the US population, those aged 65 and over account for the consumption of one third of all drugs. People in this age group use medications roughly three times more than the general population and have poorer compliance with instruction for use. In another study of elderly patients admitted to treatment programs, 70% were women who had overused medicines.

     

Unfortunately, this trend among women does not only affect those aged over 65.  In general, among women and men who are using either an anti-anxiety drug or a sedative, women are twice as likely to become addicted. In addition, statistics compiled for 12-17 year olds show that teenage girls are more likely than teenage boys to begin overusing psychotherapeutic medication such as painkillers, tranquillizers, stimulants and sedatives.

查看答案和解析>>

To send and to read email has quickly become one of the most common daily activities around the world, either for business or pleasure.    【小题1】  
Several reasons why email has become a great tool is that it is fast, convenient, and affordable. 【小题2】 In the past, teachers often organized pen friends project where their students would exchange letters with another group of students in another country   【小题3】 And by that time, students might lose interest in the project or the class might and before a serious of meaningful exchanges can take place.   【小题4】 With email, however, messages can be sent at a click of a button at school, home, or an Internet café, and if you are using a free email account, the cost is free(not taking into account any Internet Service Provider fees that you have to pay).
 【小题5】 Email has a lot to offer, for language learners and teachers in the classroom.

A.In addition, students have to pay imitational postage to send the letters.
B.However, the turn-arcund time for sending and receiving traditional letters can take up months.
C.Now, more students are using this form of communication to improve their language skills.
D.Students can develop friendships with people from around the globe.
E.While chatting online, never give out personal information including your age.
F.One particular activity that takes advantage of these points is a key pal exchange.
G.Instead of waiting days or weeks for a response, students can receive a reply quickly.

查看答案和解析>>

首先请阅读下列William J. Bennett家庭教育系列读物的封面及基本信息:
   
A .Bennett gives this thrilling account of the virtues of America
and the many brave men and women who have made
it the powerful nation it is today. The tale of human struggle
and victory captures what is unique about America.
     
B.Filled with stories of the heroes and virtues, this book presents stories and poems that show children what it means to be an American, so this book is a national popular one and the best seller of the year.

C.The book intends to inspire children to find heroes in their lives,
such as Jackie Robinson, Abraham Lincoln and this book also includes tales about everyday people, such as a young boy who goes in search of an angel to watch over him, only to find that he has one—his mother.

D.This collection of stories will help children develop their most important quality, character and includes stories from the Bible, and from sources
as diverse as well-known fairy tales, the philosophy of Plato,
the poetry of Robert Frost and Aesop’s fables.

E.This book is a treasury of timeless stories which teach young
people the importance of showing virtues in one’s daily life.
It is a perfect gift for graduation or other special occasions.
Well-known works from Aesop, Dickens and Shakespeare are
presented to teach virtues.
     
F.This inspiring book offers examples of good and bad, right
and wrong in great works from literature and in stories from
history. Organized by stages along life journey, these stories
serve as reference on moral compass, guiding the readers
through challenges in their life.
以下是购书者对这些书籍的简要评论。请将简要评论与封面及基本信息匹配起来。
【小题1】This great book by Bennett guides the kids to find heroes in their lives through a collection of stories. Also it just tells us stories about common people as heroes, which is very instructive. So it is very popular among the kids.
【小题2】Drawn from familiar western history as well as a wide selection of tales from Asia, Africa, and Latin America, the stories are great, designed to inspire as well as instructive. This book is a good guide that will help family members meet the challenges of life at any age.
【小题3】Bennett will make you feel terrific about America. The big topic of politics and war reclaim the place they used to enjoy in the old histories. He never misses the chance to tell a good story. He has an eye for the strange and the surprising about America.
【小题4】This book is well-received for children in America, because it is full of stories and poems to tell our kids how to be a hero and what virtues they should have, which can be their moral compass to their life and that will mean a lot to be American kids.
【小题5】Bennett selected stories and poems to teach young people the importance of virtues in their daily life, which is really a perfect gift for graduation or other special occasions. This book belongs on every young person’s bookshelf.

查看答案和解析>>

Read the following text and choose the most suitable heading from A-F for each paragraph. There is one extra heading which you do not need.
A. Reasons for the use of Podcasting
B. Definition and origin of Podcast
C. Importance of Podcasting at school
D. Advantage of Podcasts over other audio media
E. Podcasts—a further step from voice recordings
F. Devices needed for Podcasting
【小题1】_______
Recently a group of second-graders visited our school library to work on a “holidays around the world” project. The children created pictures showing holiday customs and then created voice recordings explaining what they drew. The incident showed very clearly the effectiveness of student-created voice recordings. Now imagine taking things one step further and creating Podcasts in a classroom setting.
【小题2】________
The term Podcast refers to an audio recording, linked to the Web, that can be downloaded to a personal MP3 player. The word is created from broadcast and from iPod ---the wildly popular MP3 player from Apple.
【小题3】________
Using audio with students isn’t new, of course. Teachers have used audiobooks at listening centers and recorded student voice on tape or CD for many years. Voice and music are the original media for teaching. Podcasts, however, can reach a much wider audience in a time frame outside the school days. Booktalking, an old way of getting kids excited about books, gets a tech assistance with Podcasting. Students can do some booktalking themselves; book review Podcasts seem to be another natural way for students to share what they know, providing an alternative to the book report.
【小题4】________
There are a number of excellent reasons for using Podcasting. Teachers made audio Podcasts, including visuals or video clips for any content area instruction and review. Some teachers have begun to record themselves teaching important concepts; this creates an account of information online for kids to access when they’re stuck on a homework assignment. Audio and video files can also function as assessment tools. Imagine being a classroom teacher in September who can actually hear how his or her students were reading in June the school year before.
【小题5】________
You don’t need an iPod to make a Podcast. If you have a computer, a microphone, and some free software, you can make a Podcast. While an MP3 player is a popular and useful gadget, your audience doesn’t need MP3 players to listen, either: your students and their families can use the computer to play back what you’ve recorded.

查看答案和解析>>


同步练习册答案