问题 选择题

根据如图所示的实验现象,下列判断不正确的是 (  )

A.现象②③说明两种可燃物的着火点均高于80℃

B.现象①说明白磷的着火点低于80℃

C.现象①②说明物质燃烧需要氧气

D.现象①③说明两种可燃物的着火点不同

答案

答案:A

阅读理解

阅读理解

     __1__  Many things can become distractions (分散注意力). Your ability to focus your mind,

emotions and physical movements will directly influence your success. Staying focused on the task

at hand can be easier said than done. Here are some powerful techniques that can help you improve

your ability to focus.

     For physical control, it helps to have a constant exercise schedule. __2__ Exercising helps you

gain better command of your body, and even goes beyond the body, giving you more flexibility not

just physically but also emotionally and mentally.  When you feel more comfortable in your body,

you increase your selfconfidence, which helps you feel more relaxed.

     For mental control, meditation (沉思;冥想) does the task. __3__  It's easy to get distracted

by things in your background, but in order to perform well you have to maintain a high degree of focus.

When you relax your thoughts it trains your mind to deal effectively with outside distractions so you

can stay centered on what matters most at the moment.

     __4__ It prevents you from overreaction and also from overacting. When your emotions settle

down, you gain greater awareness of the environment you're in, and feel calm and in control.

    __5__ The good thing is that selfcontrol can be developed.  Start exercising frequently, get yourself

into meditation, and start to feel positive changes in your career and your life in general.

A. In short, focus requires selfcontrol.

B. There are many benefits of exercising.

C. Generally speaking, you need to practise a lot.

D. There are still some disadvantages of exercises.

E. Your emotions are well served by meditation as well.

F. Focus is an important part of success and achievement in general.

G. It helps block out all the noise and activities that are going on around you.

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