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从A、B、C、D四个选项中，选出与所给句子加粗部分意义相同或相近且能代替的那一个。
If you don't study hard, you won't be able to pass the exam.
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Eating Chocolate Can Make You Smarter
Chocolate lovers know that eating chocolate makes them happy．Now it turns out that eating chocolate may also make them smarter．
Dr．Bryan Raudenbush recently made a study to see how eating chocolate affects people’s brains．The U．S．researcher knew that chocolate contained several stimulants(兴奋剂)．But he wasn’t sure how those stimulants actually affected chocolate eaters．
To find out，Raudenbush had a group of volunteers eat 85grams of milk chocolate．He asked another group to eat no chocolate at all．After l 5 minutes，he tested their memory and their ability to solve problems．
The group that ate milk chocolate had higher scores．They were able to remember more words and pictures than the group that did not eat chocolate．Raudenbush concluded(得出结论) that the stimulants in chocolate increased mental(精神的)alertness(灵敏度)．
Of course，eating chocolate doesn’t guarantee(保证)you’ll pass every test．You’ll still need to study hard!
1．Many people like eating chocolate because it can make them ．
A．annoyed B．unhappy C．pleased D．funny
2．The American researcher knew that ．
A．chocolate was a kind of stimulant
B．there were some stimulants in chocolate
C．chocolate contained many objects in it but not stimulants
D．many people loved to eat it because of its stimulants
3．Why did Raudenbush ask a group of volunteers to eat chocolate?
A．Because he thought it was exciting．
B．Because he wasn’t sure how many people eat chocolate．
C．Because his American friend asked him to do so．
D．Because he wanted to know how stimulants affected the eaters of chocolate．
4．The result of the test is that ．
A．the stimulants in chocolate increased mental alertness．
B．the group that ate chocolate had higher scores than the group that didn't eat
C．one group ate chocolate but another didn’t eat it．
D．Nothing happened to the groups．
5．If you want to pass every exam， ．
A．you will just eat enough chocolate
B．you will ask the expert to have a chocolate test
C．you will still need to study hard
D．you needn’t go to school
查看习题详情和答案>>If you are taking an English examination, you shouldn’t only learn the rules of grammar. Try to read stories in English and speak in English whenever you can. Several days before examination you should start going to bed early. Do not stay up late at night studying and learning things. Before you start the examination, read carefully over the examination paper. Try to understand the exact meaning ofeach question before you pick up your pen to write. When you have finished your examination At last ,read your answers, correct any mistakes that you see and make sure that you have not missed anything out.
根据短文内容，选择最佳答案。
小题1:What’s the good way to pass an examination?
--Work hard
| A．every day in a year. |
| B．many days in a year. |
| C．several days in a year |
| D．only a few days before the examination. |
| A．study hard and sleep less |
| B．get up early and do a lot of reading |
| C．go to bed early and have a good rest |
| D．go to bed late and get up late |
| A．Pick up your pen and write at once. |
| B．After you finish the examination, hand in at once. |
| C．Try to understand every word while you are reading. |
| D．Go over your paper before you hand it in. |
| A．Speak more, listen less, never write. |
| B．Speak less, write more, never listen. |
| C．Read more, listen more, speak less. |
| D．Read and speak as much as possible. |
| A．遗漏 | B．增补 | C．缺乏 | D．丰富 |
According to a study at the British Psychological ( 心理学的) Society Annual Conference held in London, students who bring water into exams may improve their grades by up to 10 percent.
Scientists at the University of East London and the University of Westminster, UK, did a study on 447 students. The students were studying for different degrees (学历) at the University of East London. Only 25 percent of them entered the exam hall with something to drink.
Scientists then compared their exam results with their normal schoolwork grades. They found that all those who had brought drinks with them got better grades by between 2 and 10 percent.
It is unclear why drinking water improves exam results. But scientists say having enough water in our bodies and not feeling thirsty could have a helpful effect on our brains. Drinking water may also cut down on anxiety ( 焦虑), which has a bad effect on exam performances, according to Chris Pawson, PhD, of the University of East London.
“Whatever the explanation, it is clear that students should try hard to stay hydrated (含水的)with water during exams,” he said.
So next time, when you are going to have a big exam, try bringing a bottle of water with you.Who knows – it may help you pass the exam!
小题1:How much may the students improve their grades most if they bring water into exams?
| A．By2%. | B．By8%. |
| C．By10%. | D．By25%. |
| A．About112 students who brought drinks or water into their exams. |
| B．All the447 students who come from the University of East London. |
| C．About300 students who took part in the study. |
| D．About10 percent of the students who studied different subjects. |
| A．increase | B．bring |
| C．reduce | D．change |
a. It is good for their brains.
b. It makes students smarter.
c. It helps students stay cool.
d. It helps students stay awake.
| A．a b | B．a c |
| C．b c | D．c d |
| A．Fashion magazine. | B．Text book. |
| C．Travel guide. | D．Newspaper. |