题干

小明数学基础差,对学好数学没什么信心。老师和他一起把目标定位60分,结果他考了61分。老师积极鼓励小明:“这次又进步,下次争取考65分。”就这样,小明逐渐增强了学好数学的信心。这表明(  ) 

A:有老师的指导就能取得成功

B:自信是多次成功的积累

C:学习数学不需要具体的要求

D:全面认识自己,挖掘自身的潜力就能成功

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B

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    Taking Care of Your Eyes

    Many of us don't pay much attention to the importance of eye care. It is said that if you take care of your eyes, then you can surely be healthy.____Natural eye care should be put in a number one place.

    There are several causes leading to poor eyesight like not enough food, genes(基因) and aging(老化).____ If you happen to work in front of the computer, it is best to take a break every once in a while.

    Something dirty can cause redness and they will make you feel uncomfortable. It is bad for your eyes, too. If this happens, the best way is to clean your eyes by using cold water.____ For example, sunglasses are not just for fashion but they can also serve as a great way to protect your eyesight from UV rays.

    ____Remember that vitamins A, C and E are good for eyes. Try to eat food groups that have these vitamins. And you should do eye exercises because exercise protects your eyesight, too. If a person exercises regularly and eats the right kind of food, his eyes will stay in good condition for a long time.

    ____ In a word, eye care is very important, no matter how old a person is.

A. Such behavior will do harm to our eyes.

B. What can we do to protect our eyesight?

C. That's why our eyes should be given lots of care.

D. Eating healthy food will do good to your eyesight.

E. You must also try your best to protect your eyes from harmful things.

F. All above are natural ways of eye care that can help us keep healthy eyes.

G. Televisions, computers and reading are also the causes of having poor eyesight.