下列哪种大气环境容量估算方法是最简单的估算方法（）。 A.物理类比法 B.线性优化法

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       When you are feeling unhappy or forget how great you are, these are six ways to make you feel good about yourself.

       1)Look in the mirror and say to yourself, "I am a special person and there's no one in the world like

me. I can do anything!" It may not sound so good, but it really works!

       2)Do something nice for someone. Helping others always makes you feel good.

       3)Smile! Be friendly to people you meet. Look for the good things in your friends and family.

       4)Learn something new! Have you always wanted to decorate your own room or learn how to swim? Go for it! New challenges(挑战)are fun and give you a sense of accomplishment when you have finished.

       5)Read and start a diary. Turn off the TV and let your imagination fly! Write down your thoughts,

dreams or anything you want! Writing always helps to express your feelings.

       6)Stay with your family. We all need our family time. Talk with your Mum or Dad or maybe even your cousin.

1. This passage may be taken from ________.

A. a science book  

B. a story book

C. a magazine  

D. school rules

2. According to the passage, when you are helping others, you will ________.

A. be special

B. be sure

C. feel nice

D. be remembered

3. What do the underlined words in the 4th paragraph "a sense of accomplishment" mean?

A. 成就感

B. 忧伤感

C. 挫折感

D. 信任感

4. Which of the following should you say "NO" to when you are unhappy?

A. You should always look for the good things of others.

B. Stay alone at home as much as possible.

C. Learn something new and go for it!

D. Keep a diary to express your feelings.

5. The best title for the passage is ________.

A. Do Your Best

B. Six Ways to Feel Good about Yourself

C. It's Never too Late to Learn

D. Always Smile to Your Life

俄罗斯大部分地区冬季十分寒冷的主要原因是[ ]

A．面积广大

B．北冰洋影响大

C．地势高

D．纬度较高

如图所示，下列关于做功的说法错误的是

A．（1）中物体竖直上升时，飞机没有对物体做功

B．（2）中石头不动，则人对石头没有做功

C．（3）中手提水桶水平前进时，拉力对水桶不做功

D．（4）中车水平前进时拉力做功

柜员办理普通理财发售使用（）。

A.“4724”交易

B.“4717”交易

C.“4728”交易

时宜惊醒，不易安卧属于（）

A.营血亏虚，心神失养

B.阴虚火旺，内扰心神

C.痰热上扰，心神不安

D.食滞内停，内扰心神

E.痰湿上蒙清窍