题目内容
Doctors and nurses are dressed ________ white when they are at work.
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提示：
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be dressed in＋表示颜色的名词 |
智能训练练测考系列答案Tom was ten years old and he was a very lazy boy. He didn’t like doing any work. He had to go to school, of course , but he didn’t study hard there and tried to do as little work as possible. His father and mother were both doctors and they hoped that their son would become one, too. But one day Tom said to his mother, “ When I finish school, I want to be a dustman.”
“A dustman?” his mother asked, she was very surprised. “ that’s not a very pleasant job, why do you want to be a dustman?”
“Because then I would only have to work one day a week.” Tom answered at once.
“Only one day a week?” his mother said, “What do you mean? And how do you know?”
“ Well,” Tom replied, “ I know that the dustmen who come to our house to work on Thursday, because I only see them on that day.”
根据短文内容，选择最佳答案，并在答题卷上按要求作答。
【小题1】What kind of boy was Tom?
| A．Tom was a clever boy. | B．Tom was a lazy boy. |
| C．Tom worked very hard. | D．Tom was not polite. |
| A．His father was a doctor and his mother was a nurse. |
| B．His father was a worker and his mother was a doctor. |
| C．His father was a doctor and his mother was a doctor, too. |
| D．His father and mother were teachers. |
| A．They wanted him to be a dustman. |
| B．They wanted him to be an officer. |
| C．They wanted him to be a doctor. |
| D．They wanted him to be a football player. |
| A．Tom said that he wanted to be a dustman. |
| B．Tom said that he wanted to be a teacher. |
| C．Tom said that he wanted to be a doctor. |
| D．Tom said that he wanted to be a singer. |
| A．Because Tom heard of this before. |
| B．Because one of the dustmen had told him before. |
| C．Because Tom had seen the dustmen only on Thursday at his house. |
| D．Because Tom’s mother told him. |
Height is just one of the thousands of features (特征) that 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 maybe 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 enough sleep and enough exercise will help you grow to the right height.
No doubt you’re wondering how fast you should grow. There’s no perfect or right answer. Kids grow about 2 inches (5 centimetres) 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 centimetres 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 very quick growth 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, 9 and 15 for boys.
You’ll usually begin to notice that you’re growing faster about a year after your body starts to show the first changes of puberty.
1.The Chinese for the underlined word in the third paragraph “puberty” is .
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A．童年时期 |
B．婴幼儿时期 |
C．习惯养成期 |
D．青春期 |
2.If you want to know how fast and how tall you should grow, .
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A．you should have enough exercise |
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B．you can ask doctors for help |
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C．you should protect the environment |
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D．you can record your growth during puberty |
3.This passage is mainly about .
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A．how the genes work in your body |
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B．when is the time you grow fast |
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C．why you look like your parents |
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D．how you grow to a certain height |
4.After reading this passage, we can explain ___________.
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A．how good it is to be a doctor |
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B．how much sleep we need |
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C．why genes can’t decide everything |
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D．what an unhealthy diet is |
5.Which is NOT mentioned (提及) in the passage?
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A．Your height most probably depends on (取决于) how tall your parents are. |
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B．Girls’ age for starting puberty is usually earlier than that for boys’. |
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C．The time showing the first changes of puberty is never noticed. |
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D．You may be scared sometimes when you grow too fast. |
Children can spend hours a day looking at computer screens and other digital devices(数码设备). Some eye doctors say this leads to an increase in “computer vision syndrome(电脑视力综合症).”
Nathan Bonilla-Warford is an optometrist（验光师）in Tampa, Florida. He has seen an increase in problems in children. “A lot more children come into the office either because their parents have noticed that they have headaches or red or watery eyes or discomfort, or because their nearsightedness appears to be increasing and they’re worried,” he says.
Dr. Bonilla-Warford says part of the problem is that children may be more likely to pay no attention to early warning signs than adults. “Even if their eyes start to feel uncomfortable or they start to get a headache, they’re less likely to tell their parents, because they don’t want to have the game or the computer or whatever taken away,” he explains.
He says another part of the problem is that people blink（眨眼）less often when they use digital devices. He says, “A person who uses an electronic device blinks about one third as much as we normally do in everyday life. And so that can result in the front part of the eye drying and not staying protected like normal.”
Eye doctors offer suggestions like following which is known as the 20/20/20 rule. That means every twenty minutes look away twenty feet or more for at least twenty seconds from whatever device you’re using.
Other suggestions include putting more distance between you and the device and using good lighting. Of course, another way is to spend less time looking at screens. Many experts say children should spend no more than two hours a day using digital devices—with no screen time for children under two.
But not all eye doctors have noticed an increase in problems in children. Dr. David Hunter, from Children’s Hospital Boston, has not seen an increase in his practice. “While it is possible to develop fatigue looking at screens for a long period of time, there’s certainly no proof that it actually causes any damage（伤害）to the eyes.” he says.
1.Which of the following is true according to the passage?
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A．Dr. Bonilla-Warford thinks using computers causes nearsightedness. |
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B．People keep their eyes protected against drying by blinking normally. |
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C．Children under two can watch TV for less than two hours a day. |
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D．Dr. David Hunter says headache causes an increase in eye problems. |
2.What does the underlined word “fatigue” mean?
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A．Interest. |
B．Ability. |
C．Tiredness. |
D．Difficulty. |
3.What can be the best title for the passage?
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A．Looking at Screen: Two Hours or More |
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B．How Can Children Use Their Eyes Properly |
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C．Using Digital Devices: Advantages and Disadvantages |
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D．How Much Screen Time Is Too Much for Children |