如果你家电路的安全装置是保险丝或空气开关,请说明它的作用是什么?它是利用电流的什

题型:问答题

问题:

如果你家电路的安全装置是保险丝或空气开关,请说明它的作用是什么?它是利用电流的什么效应工作的?

考点:电流的热效应、化学效应
题型:问答题

健康学龄儿童期前收缩的发生率是()

A.<1%

B.1%~2%

C.3%~4%

D.5%~10%

E.10%以上

题型:问答题

在关系模型中,实现“关系中不允许发现相同的元组”的约束是通过( )。

A.候选键

B.主键

C.外键

D.一般键

题型:问答题

以下说法正确的是

A.金刚石和石墨可互称为同位素

B.D2和T2可互称为同素异形体

C.互为同分异构体

D.H和D是同素异形体

题型:问答题

It is suggested that another school ______ in our city. [ ]

A. should build

B. be set up

C. will be set up

D. will build

题型:问答题

阅读理解

     Choosing the right university for you is a big decision with many factors to consider. The institution

that you choose will not only be the one that ensures your academic goals, but it will also be where you

will live, learn, play sports, socialize and work for several years. Therefore, before you start filling out

those university application forms, take a step back and consider the many variables that affect the "fit"

of a university to your unique personality and educational goals. Take a look at the following factors,

and decide which ones mean the most to you.

     Consider your educational goals. You will discover that different schools are more recognized or

progressive in your chosen field of study than others. For this reason, talk to advisors, professionals in

your field, or go to clubs organized by the alumni(校友). When you check out school ranking for your

major, you may find that your first choice is not really a match, while another fits perfectly.

     Consider costs. It will be no surprise to you at this point that not all schools cost the same. Some of

the more famous schools are so because they are difficult to get into and difficult to pay for. Don't let this

necessarily stop you. Just keep this consideration in mind as you narrow your list of potential schools.

     Choosing a university should not be done only on reputation, but also take the academic programs

and overall environment into consideration. Be aware that reputations are sometimes out of date or

overstated, so first-hand experience is often beneficial.

     Once you've identified the factors that are most important to you, you've taken the first steps towards

making a successful choice. Make sure you pick a university that will serve your needs throughout your

university career.

1. The passage is written for           .

A. college students

B. high school students

C. people out of jobs

D. people looking for jobs

2. In the Paragraph 4, the writer advises you not to stress on           .

A. overall environment

B. the academic programs

C. first-hand experience

D. a university's reputation

3. It's better to choose a university which           .

A. costs you a little

B. is well equipped

C. is well known    

D. meets your needs

4. What does the passage mainly talk about?

A. Qualities of a good university.

B. Ways to achieve your goals.

C. Advice on choosing a university.

D. Factors influencing your choice.

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