摘要:(四)分数.小数.百分比.倍数.四则运算的表示方法 类别 说明 例词或例句 分数 分子用基数词.分母用序数词.分子大于1.分母的序数词用复数. 1/2 读作 a (one) half 1/3 读作 a (one) third 1/4 读作a fourth 4/5 读作four fifths 4 2/3 读作four and two thirds Two thirds of the earth surface is covered by water.(地球表面的三分之二覆盖着水) 小数 小数点读作point.小数点后面各数都按个位基数词读,小数点前面仍按基数词读.零读作o或zero. 0.7 读作zero point seven 25.25 读作twenty-five point two five 百分比 百分比由基数词+percent组成 ( % ) 2% 读作two percent 44% 读作forty-four percent 100% 读作one hundred percent More than 25 percent of the surface of the ground is covered with grass. 百分之二十五以上的地面被草覆盖着. 倍数 原级+as 比较级+than (3) 倍数+ the size(length , height , width , etc .)+ of This room is three times as large as that one . This room is two times larger than that one. This room is three times the size of that one . 注意:上述三个结构的意义是相同的. 汉译表达: 这间房是那间房的三倍大 . 加.减.乘.除四则运算 用基数词表示 加号用plus / and 减号用minus 乘号用times 除号用divided by 9+8=17. 读作 Nine plus (and) eight is seventeen. 11-5=6 . 读作 Eleven minus five is six. 6×5=30. 读作 Six times five is thirty. 35÷7=5. 读作 Thirty-five divided by seven is five.

网址:http://m.1010jiajiao.com/timu3_id_2500781[举报]

阅读下面短文,掌握其大意,然后从1—15各题所给出的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。

What is Math Anxiety?

Math anxiety or fear of math is actually quite common. Math anxiety is quite    1   to stage-fright. Why does someone suffer stage-fright? Fear of something going wrong in front of a crowd? Fear of   2   the lines? Fear of being judged   3   ? Fear of going completely blank? Math anxiety shows fear of some type. The fear that one won't be able to do the math or the fear that it's too hard or the fear of failure which often results from having a lack of   4   . For the most part, math anxiety is the   5   about doing the math right, our minds draw a   6   and we think we'll fail and of course the more frustrated and anxious our minds become, the   7__   the chance for drawing blanks.

Where Does Math Anxiety Come From?

Usually math anxiety results from    8  experiences in mathematics. Math anxiety is often due to poor teaching and poor experiences in math which typically leads to math   __9___. When one tries to memorize procedures, rules and routines without much   10   , the math is quickly forgotten and   11   soon sets in. Think about your experiences with one concept --- the division of fractions(分数). You probably learned about reciprocals(倒数) and inverses(倒转). Well, you memorized the rule and it   12   . Why does it work? Think of math as memorizing all the procedures -- what if you forget a few? Therefore, with this type of strategy, a good   13   will help, but, what if you don’t have a good memory? Understanding the math is critical. Once students   14   they can do the math, the whole notion of math anxiety can be overcome. Teachers and parents play an important   15   in ensuring students understand the math being presented to them.

1.A. different                   B. similar             C. far                          D. familiar

2.A. understanding       B. memorizing      C. forgetting                D. reading

3.A. poorly               B. crazily              C. highly                     D. publicly .

4.A. wish                     B. conscience        C. determination           D. confidence

5.A. fear                      B. joy                   C. pleasure                   D. interest

6.A .conclusion            B. choice              C. blank                             D. comparison

7.A. further              B. greater             C. less                         D. smaller

8.A. unpleasant         B. unfair               C. unimportant              D. unfortunate

9.A. worry                   B. anxiety             C. failure            D. misunderstanding

10.A. forgetting        B. using                C. understanding          D. knowing

11.A. panic               B. excitement        C. agreement             D. encouragement

12.A. opens              B. works               C. starts                       D. runs

13.A. memory                  B. method             C. brain                       D. body

14.A. fill                         B. realize              C. confirm                   D. recognize

15.A. task                    B. aim                  C. appointment             D. role

 

查看习题详情和答案>>

When we hear the words “college students”, we usually think of a young person between 18 and 22 years old. But in the U.S.A today, a college student often is much older. In fact, educators say in the next few years colleges and universities may have more older part-time students than traditional (传统的) full-time younger students.

   Educators report a big increase in the number of Americans who attend college and university classes in the evening or at night or weekends. Most of them are older than 25 years old and more have full-time or part-time jobs. Many are in their thirties or forties.

   Why are so many people deciding to spend their time and money in order to continue their education? Most are doing it because they believe more education will help them to get a better job. Some are industrial workers whose factories have closed. They are learning new skills to prepare for other kinds of work. Some of the part-time students are not pleased with the jobs they have. They are studying for new ones. Some have retired (退休) and are looking for new kinds of work. Two of every three of the students older than 35 are women. Many of them are returning to school after years of staying at home to care for children.

   Are older students good students? Most teachers say yes. They say older students really want to learn. They ask difficult questions and are not pleased with simple answers. They often get high grades.

It’s said that in the next few years _________________.

A. students in colleges and universities will be much older

B.    full-time students in colleges and universities will be even younger

C.    American colleges and universities will take in part-time students equally

D.    The number of older students will be greater than that of the younger ones

Judge which of the following is not true according to the above passage.

A. It’s reported that a large number of Americans attend college or universities classes in their spare time.

B.    Most of them are over 25.

C.    Most of them are without jobs.

D.    The number of students in colleges and universities is reported to have gone up greatly.

Why are so many people deciding to go on with their education? Because___________.

A. Most of the Americans enjoy learning something new

B.    Most of them believe: more education, better jobs

C.    They have lost their jobs

D.    They are tired of their jobs they have

They often get high grades” means ____________.

A. they rise to high grades easily

B.    they often get very good marks (分数)

C.    they are more likely to receive a master’s or a doctor’s degree upon graduation

D. they often win high prize

What does the whole passage mainly tell us?

  A. Why does so many older students go to college in America.

  B. What older students in college can learn.  

  C. Older students are mostly good students

  D. Higher education can help you get a good job.

查看习题详情和答案>>

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