初三英语中考精选：科普环保类思维导图

Big schoolbags have been a big problem for students for a long time. Maybe your schoolbag is too 31 to carry, and it troubles you a lot 32you want to find out a book to read. Now e -textbooks will 33you.

It is said that many Chinese middle schools are going to use e - textbooks. An e - textbook, in fact, is a small 34for students. It is much lighter than a usual schoolbag and 35to carry. Though it is as 36 as a book, it can hold (容纳) everything for study. The students can read the text page by page on the 37 , take notes 38the pointer (屏写笔) ,or even "hand in" their 39to their teachers by sending e - mails. All they have to do is to press a button ( 按开关).

Some people say e- textbooks are good, but some say they may be40for the students' eyes. What do you think of it.?

1.A. expensive B. heavy C. light

2.A. till B. after C. when

3.A. trouble B. help C. solve

4.A. TV B. radio C. computer

5.A. easy B. difficult C. hard

6.A. smaller B. small C. harmful

7.A. paper B. keyboard C. screen

8.A. with B. in C. by

9.A. computer B. homework C. e - textbooks

10.A. bad B. dangerous C. good

The best thing to start your day is a good breakfast. There are different 36 of breakfasts around the world.

"Eat breakfast like a king, lunch like a prince and dinner like a pauper(穷人)." 37 the old saying tells us, breakfast is the most important meal of the day. It 38 us with energy after a long night without food.

If people don’t have breakfast in the morning, they will feel tired and get angry easily. Breakfast helps children stay more focused in school. A study showed that children who eat breakfast regularly score 39 in most subjects.

Breakfast is also important for weight loss. If you have a balanced breakfast, you will eat

40 throughout the day.

A healthy and 41 breakfast should include some protein(蛋白质) like eggs, milk or a little meat, which makes you energetic all day.

Carbohydrates(碳水化合物)like rice or bread can keep you active. Vegetables and fruit

42 the vitamins that humans need.

43 ,in China, breakfast is different from region to region. Porridge with pickles(咸菜),baozi, noodles, soybean milk and youtiao are common throughout the 44 country. Although Western culture has influenced China a lot, most people still 45 traditional Chinese breakfast. They think that porridge and noodles are not only easily digested(消化), but also can provide enough energy in the morning.

11.A. ways B. types C. rules D. methods

12.A. So B. Though C. As D. When

13.A. provides B. gives C. offers D. has

14.A. lower B. less C. higher D. more

15.A. less B. fewer C. more D. much

16.A. experienced B. balanced C. excited D. different

17.A. has B. have C. is D. are

18.A. Therefore B. Thus C. Because D. However

19.A. all B. one C. whole D. total