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(共22张PPT)
Unit 2 School life
Part 3 Grammar
答 案 呈 现
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1
less
fewer
carefully
the most
the least
2
3
4
5
1
B
C
A
B
D
2
3
4
5
1
less; any other
more weeks; than
the least experience
French isn’t as/so
interesting as
2
3
4
语法提优练
答 案 呈 现
1
C
D
A
2
3
综合提优练
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一、用括号内所给单词的适当形式填空
1. She spends ________ (little) money on clothes than on books.
2. If a young person plays sports, he or she may have ________ (few) problems.
less
fewer
3. I don’t think he studies as _________ (care) as he did last term.
4. Her son has __________ (many) plastic toys among his little friends.
5. He’s the most skilled player on the team, even though he has ________ (little) practice time.
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carefully
the most
the least
二、单项选择
( )1. —Everyone should volunteer to clean up the city parks.
—I agree! The _______ rubbish, the better environment we will have.
A. little B. less C. few D. fewer
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B
( )2. I like living in the countryside, because there’s ________ noise and ________ cars.
A. fewer; less B. less; less
C. less; fewer D. fewer; fewer
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C
( )3. Yesterday we three went shopping. I had ________ money so I bought ________ things.
A. the least; the fewest B. the fewest; the least
C. less; fewer D. fewer; less
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A
( )4. —How can we get a green lifestyle
—I think we should do ________ exercise and watch ________ TV.
A. more; more B. more; less
C. less; less D. less; more
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B
( )5. —Why is this store full of people
—Because things in this store are ______ in other stores.
A. more expensive than those
B. as expensive as that
C. not as expensive as that
D. not so expensive as those
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D
三、按要求完成句子
1. Kitty has the least milk in her class. (同义句转换)
Kitty has ________ milk than ________ ________ student in her class.
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less any other
2. 中国学生的暑假比美国学生的暑假多放几周。(完成译句)
Chinese students have ________ ________ off for the summer holiday ________ American students.
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more weeks
than
3. 虽然比尔经验最少，但是他是最好的老师。(完成译句)
Even though Bill has ________________________, he is the best teacher.
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the least experience
4. 我认为法语没有物理有趣。(完成译句)
I think ________________________________ physics.
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French isn’t as/so interesting as
四、阅读理解
Teenagers need eight to ten hours of sleep per night. However, in adolescence (青春期), changes to the body’s sleep cycle make it difficult for teens to fall asleep early. Many cannot fall asleep until 10:30 p.m. or even later and most of them will feel sleepy if they have to get up too early.
Scientists recommend that both middle and high schools begin no earlier than 8:30 a.m. Later school start times support the natural needs of teenagers and increase their sleeping time.
Here are some other benefits of later school start times:
More time for a healthy breakfast
When running late in the morning, students are likely to go without breakfast.
With an empty stomach, one finds it difficult to focus (集中) in class. When they are always in a hurry, students may form unhealthy eating habits.
With extra time before going to school, students can eat a well-balanced breakfast and focus more on learning.
Fewer behavioral (行为的) problems
Teens experience mood changes as a common
result of this special period of life.
Less sleep may cause worries, stress and unhappiness.
When they get enough sleep, students are calm and peaceful and their moods do not change suddenly. They’re less likely to feel worried, unhappy or get angry. For parents, children with more sleep are easier to live with.
Better performance (表现) in study
Sleep loss hurts attention, memory and brain development.
Students with less sleep have difficulty paying attention in class and are likely to have lower grades. Students with enough sleep can be more energetic during the day and more willing to learn. They are also less likely to fall asleep in class and more able to understand what they learn.
In conclusion, starting school later helps students get a better night’s sleep. It improves their eating, behaving and performing.
( )1. According to the passage, what may cause teenagers to stay up
A. Their low grades. B. Their empty stomachs.
C. Changes to their bodies’ sleep cycle.
D. Their heavy homework.
【点拨】细节理解题。根据文章第一段中“However, in ... asleep early.”可知，青少年身体睡眠周期的变化使他们难以入睡。故选C。
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C
( )2. What’s the writer’s main purpose of writing this passage
A. To explain reasons for students’ stress.
B. To describe bad habits caused by sleep loss.
C. To discuss scientists’ research on healthy food.
D. To introduce benefits of later school start times.
【点拨】写作意图题。通读短文内容可知，作者写作的意图是向我们介绍学校推迟上学时间的好处。故选D。
D
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( )3. In which part of the website can you probably find this passage
A. Education. B. Fashion.
C. Sports. D. Technology.
【点拨】推理判断题。通读全文可知本文讲述了推迟学生上学时间的一些好处，是关于学生教育的，最有可能在网站的“教育”部分看到这篇文章。故选A。
A
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