题干

下列多项式中,能用公式法分解因式的是(    )

A:x2-xy

B:x2+xy

C:x2-y2 

D:x2+y2

上一题 下一题 0.0难度 选择题 更新时间:2018-01-22 06:01:18

答案(点此获取答案解析)

C

同类题5

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项是多余选项。

Finding Your Hidden Talents

 ●____

    What sorts of things do you like to read about, watch or do? What are your favorite shows on television? Which column of the newspaper and magazines do you like to read? To know what you are interested in is the first step towards finding your hidden talents.

 ● Try out different things.

    If y ou want to find out your dexterity (灵巧) in each of the things that interest you, then try them out.____ Locate a safe environment, where you can try out different things without anybody's interference (干扰).

 ●Find your passion(激情)

    ____. However, there will be only a thing or two, which you are passionate about. What is the one thing that you love to do the most, with most enthusiasm (热情)? Get the answer to the question and you will come to know what exactly you are passionate about.

 ●Improve yourself

    After you come to know about the areas of your interest, it is the time to improve yourself. Read lots of books and learn from people. One of the best ways to learn something is to teach.____. This will help increase your depth of knowledge. In this process, you will be able to discover all your hidden talents.

 ●Know your limits

    In the process of finding your strengths or talents, you should not ignore your weaknesses as well. ____. Know what makes you struggle. You will then come to know about your talents as well as the areas that you need to work on.

A. Find your interests.

B. Know your strengths.

C. Therefore, teach what you have learnt.

D. You may be a person of various interests.

E. Carry out experiments and explore things.

F. It needs observation and analysis (分析)of one's own self.

G. Find out the things which you are not good at.