题目列表(包括答案和解析)
--- _______ is the weather _______ Shanghai?
--- It is dry.
A.How, about B. what, in C. How, in D. What about
Height is just one of the thousands of features your genes 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 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.
【小题1】. The Chinese for the word “puberty” is .
| A.童年时期 | B.婴幼儿时期 | C.习惯养成期 | D.生长发育期 |
| 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 |
| 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 |
| 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 |
| 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. |
— Don’t worry. Mum will come to solve the problem.
— she won’t come?
|
A.Why not |
B.What about |
C.What if |
D.How about |
What do people do with their old, out-of-date but still useful computers? Most people don’t know what to do with them. Many old computers are put away in homes. Many more are simply thrown out with the rubbish.
Some companies are thinking of ways to bring down the number of old computers. Sony has agreed to help recycle old Sony products. Dell, Hewlett-Packard and other companies now also take back some old computers.
In some countries, laws are being passed, too. Computer companies will have to collect and recycle their used products. And 70% of computer waste must be recycled. The idea behind the laws is that computer companies themselves should pay the cost. That will encourage them to make computers that are easier and cheaper to repair and upgrade(升级).
Yet while many people are throwing away good computers, others cannot afford them at all. Hundreds of organizations are working to solve this problem. They collect and repair old computers. Some also teach others how to repair computers.
The computers then go to schools, charities and people who need them. Giving a used computer to one of these organizations can turn one person’s rubbish into someone else’s useful things—and cut down on waste, too.
1. How do people usually deal with their old computers?
A. They stop using them. B. They give them to others. C. They fix them up.
2. What do some computer companies do to bring down the number of old computers?
A. They don’t do anything about them.
B. They take back some old ones.
C. They donate them to some charities.
3.According to some countries’ laws, what must computer companies do?
A. Collect and recycle most of computer waste.
B. Repair and upgrade old computers.
C. Make much cheaper computers.
4. What may people who can’t afford computers think of the used computers?
A. Expensive. B. Useful. C. Out-of -date.
5. What is the passage about?
A. Repairing old computers.
B. Selling old computers.
C. Recycling old computers.
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