In 1948, three American scientists inven

题型:选择题

问题:

In 1948, three American scientists invented ____ transistor, which is ____ small electronic device to control an electric current.

A.the; a

B.a; a

C.the; the

D.a; the

考点:不定冠词定冠词零冠词
题型:选择题

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       Most people have jobs. They go to work nearly every day.  Some people are lucky. Either they

have very interesting jobs or they make a lot of money.  Most people are not  so lucky.  Either their

jobs are not very interesting or they don't make much money.  The most interesting jobs are often the

most difficult. People take a long time to learn how to do them.  Doctors study for at least six years

after finishing school.

       Some young people have interesting and high-pay jobs.  Many young players do their work

successfully.  Football and tennis stars are usually under 35 years old.  Older'peopje usually cannot

play these sports very well. They cannot move fast enough. Golf, however, is a good sport for older

people.  Many golf players are quite old, but they can play it successfully.

       Most people work until they are 60 0r 65 years old.  Then they retire and have a lot of free time.

Some people never retire though. These people usually have very interesting jobs. Writers, artists,

scientists and actors usually work until they die. Their work is their life.

根据短文内容,完成下列句子,每空一词 。  

1. Some_______ people have interesting or high-pay jobs,_______most people don't have such

good luck.

2. Some jobs_______a long time to learn because they are________ .

3. Young players can________ very fast, so many of them play these ________ like football

and tennis very _________ .

4. Golf is a good sport for_______ people.

5. Most people keep ________ until the age of 60 or 65.  But writers, artists, scientistsand actors

can work all their                   .

题型:选择题

近年来,我国实施积极的就业政策,就业岗位有了一定增加,但劳动力总量供大于求、结构性就业矛盾仍然十分突出,在这种情况下,要扩大就业总量,劳动者应该

①提升素质,努力适应市场需要               ②转变就业观念,提高职业技能

③加强引导,完善市场就业机制               ④扩大就业规模,改善就业结构

A.①②

B.①③

C.②③

D.②④

题型:选择题

下表是中国人民银行资产负债简表。

资产 负债
Aa对金融机构贷款 La金融机构存款
Ab购买政府债券 Lb赋政存款
Ac金银外汇占款 Lc自有资金与当年节余
M0流通中货币
合计: 合计:
根据会计原理,资产必等于负债,即整理可得:M0=(Aa-La)+(Ab-Lb)+(Ac-Lc),试回答下列问题:

如果商业银行倒逼央行增加贷款,则货币供应量( )。

A.不变

B.产生波动

C.增加

D.收缩

题型:选择题

负序电压滤过器当其输入三相负序电压时,其空载输出电压是1.5倍负序线电压

题型:选择题

假设市场上某种商品有两种品牌A和B,当前的市场占有率各为50%。根据历史经验估计,这种商品当月与下月市场占有率的变化可用转移矩阵P来描述:

其中p(A->B)是A的市场占有份额中转移给B的概率,依此类推。这样,两个月后的这种商品的市场占有率变化为()。

A.A 的份额增加了10%,B 的份额减少了10%

B.A 的份额减少了10%,B 的份额增加了10%

C.A 的份额增加了14%,B 的份额减少了14%

D.A 的份额减少了14%,B 的份额增加了14%

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