Height is just one of the thousands of features your genes(基因)decide. In fact, because you have two parents, your genes provide you a height that usually lands somewhere between the height of each parent. If both your parents are tall, then most probably you will be tall, too, but if you have questions about how tall you're going to be, ask your doctor if he or she can help you find it out.

But genes don't decide everything. For example, eating an unhealthy diet can keep you from growing to your full potential(潜力). Getting plenty of sleep and enough exercise will help you grow to the expected height.

No doubt(怀疑) you're wondering how fast you should grow. It depends. There's no perfect or right answer. Generally speaking, kids grow about 2 inches (6 centimeters) a year between age 3 and the time when they start puberty (when your body starts changing and becoming more grown up).

Your doctor will know how your growth has been going over the years. Two centimeters here and 2 inches there are not nearly as important as the height you're at now, how you've been growing up to this point, and what other changes your body may be going through.

Don't be scared if you seem to have grown a lot in a very short time. Everyone has a growth spurt(高峰)during puberty. The age for starting puberty is about 10 for girls and about 11 for boys. But it can be earlier or later ——between 7 and 13 for girls and 9 and 15 for boys.

You'll usually begin to notice that you're growing faster about a year or so after your body starts to show the first changes of puberty.

If you want to know how fast and how tall you should grow, ____________.

   A. you should have enough exercise           B. you can ask doctors for help

   C. you should save the environment           D. You can record your growth during puberty

This passage is mainly about ____________.

   A. how the genes work in your body           B. when is the time you grow fast

   C. why you look like your parents                D. how you grow to a certain height 

After reading this passage, we can explain ___________.

   A. how good it is to be a doctor             B. how much sleep time we need

   C. why genes can’t decide everything            D. what healthy diet is

Which is NOT mentioned in the passage?

   A. Your height most probably depends on how high your parents are.

   B. Girls’ age for starting puberty is usually earlier than that for boys’.

   C. The time showing the first changes of puberty is never noticed.

   D. You may be scared sometimes when you grow too fast.

Chinese politeness have always been formal to follow strict rules, although sometimes Chinese people seem to be impolite according to Western standards in public places. To well understand Chinese, some concepts should not be ignored.

Mianzi

The idea of shame, usually expressed as 'face' could be loosely defined as the 'status' or 'self-respect' in Chinese and by no means alien to foreigners. It is the worst thing for a Chinese to lose face. Never insult, embarrass, shame, yell at or otherwise demean a person. Since all these actions would risk putting a Chinese in a situation that he might lose face, neither try to prove someone wrong nor shout at him in public. In order to get a successful effect without letting a Chinese lose face, any criticism should be delivered privately, carefully, or else, just opposite to what you wish.

Guanxi

Throughout much of Chinese history, the fundamental glue that has held society together is the concept of guanxi, relationships between people. It is very important for the Chinese to have good relationships. They often regard good social relations as a symbol of personal ability and influence. Someone who has no connections would be disrespected and is only half-Chinese.

Keqi

Keqi not only means considerate, polite, and well mannered, but also represents respect and modesty. It is impolite to talk too proudly about oneself or one's inner circle. The expression is most often used in the negative, as in buyao keqi, meaning "you shouldn't be so kind and polite to me," or "you're welcome."

Besides, Chinese seldom express what they think directly and they prefer a roundabout way. Neither show their emotions and feelings in public. They rarely greet people with a handshake, though it is very popular among foreigners, and say nothing of embracing or kissing when greeting or saying good-bye. Consequently, it is better not to behave too carefree in public, even though you are well-intentioned. Also, it is advisable to be fairly cautious in political discussions. Do not particularly push yourself forward, or else you are unwelcome.

To sum up, do in Rome as Rome does, but you need not worry about these cultural barriers since most Chinese are hospitable and friendly and will not mind your no accomplishment.

In most Chinese’s eyes, the fundamental glue holding society together is the idea of ____.

A. relationships between people             B. influences upon others

C. dependence on others                 D. kindness to others

The underlined word “demean” in the first paragraph means make people _____.

A. respectful           B. happy            C. shameful        D. weak

Which of the following is NOT mentioned in the passage?

A. It is impolite to insult, embarrass, shame or shout at a person.        

B. It is polite that you should bring gifts to others when invited to dinner.

C. It is necessary to show your character of being considerate, polite, and well mannered.     

D. It is important for the Chinese to have good relationships between people.

Which of the following proverbs has the same meaning as the underlined sentence “Do in Rome as Rome does.”?

A. Caution is the parent of safety.        B. Many hands make light work.

C. There’s no smoke without fire.          D. If you are elsewhere, live as they do there.

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