内容正文:
七年级英语上册Unit8知识点-The earth—our only home讲义
【课文要点】
1. The earth is a ______ planet. It is our home now, and it will be our home in the ______.
地球是一颗特殊的行星。它是我们现在的家园,也将是我们未来的家园。
- ______ adj. 特殊的,特别的(同义词:______ / ______);
- ______ n. 未来(in the future 意为“在将来”)。
e.g. We should protect the earth for the ______. 我们应该为了未来保护地球。
2. But people can't live ______ on the earth.
但是人们不能在地球上到处居住。
- ______ adv. 到处,处处(同义词:______)。
3. We can't live in ______.
我们不能生活在水中。
- ______ n. 水(不可数名词)。
4. ______ cover two ______ of the earth's ______.
海洋覆盖地球表面的三分之二。
- ______ n. 海洋(同义词:______);
- ______ v. 覆盖(名词:______ n. 封面,覆盖物);
- ______ n. 表面,表层;
- 分数表达:分子用基数词,分母用序数词。分子大于1时,分母加-s。
- 1/3 = one ______;
- 2/3 = two ______;
- 3/4 = three ______。
e.g. Two ______ of the students are boys. 三分之二的学生是男生。
5. The earth has ______ one big ocean, but we use these names for its different ______: the Pacific Ocean, the Indian Ocean, the Atlantic Ocean, and the Arctic Ocean.
地球只有一个大洋,但我们用这些名称来称呼它的不同部分:太平洋、印度洋、大西洋和北冰洋。
- ______ adv. 只,仅仅(强调数量少);
【辨析】only / just / simply
- only 强调“唯一的,仅有的”;
- just 强调“刚刚,正好”;
- simply 强调“简单地,仅仅”。
- ______ n. 部分,地区(同义词:______ / ______);
- 四大洋名称:
- ______ Ocean(太平洋);
- ______ Ocean(印度洋);
- ______ Ocean(大西洋);
- ______ Ocean(北冰洋)。
6. Only about one ______ of our planet is ______.
我们的星球只有大约三分之一是陆地。
- ______ n. 行星(同义词:______,特指“地球”时首字母大写);
- ______ n. 陆地(与 sea/ocean 相对)。
7. There are ______ continents: Asia, Africa, Oceania, Antarctica, Europe, North America, and South America.
有七大洲:亚洲、非洲、大洋洲、南极洲、欧洲、北美洲和南美洲。
- ______ n. 大陆,洲;
- 七大洲名称:
- ______(亚洲);
- ______(非洲);
- ______(大洋洲);
- ______(南极洲);
- ______(欧洲);
- ______ ______(北美洲);
- ______ ______(南美洲)。
8. Some land is ______ with green forests, ______ water, and good ______.
一些土地拥有茂密的绿色森林、淡水和肥沃的土壤。
- ______ adj. 丰富的,肥沃的(同义词:______);
be rich with 意为“拥有丰富的……”;
- ______ water 淡水;
- ______ n. 土壤。
9. But some places are ______ for humans to live because of the snow and ice, the deserts, or the high mountains.
但有些地方因为冰雪、沙漠或高山而难以让人类居住。
- ______ adj. 困难的(反义词:______);
- ______ n. 人类(复数:______,也可用 people);
- because of 意为“因为,由于”(后接名词/代词/动名词);
【辨析】because / because of
- because + 从句(后接句子);
- because of + 名词/代词/动名词(后接短语)。
e.g. We stayed home ______ the rain. 因为下雨我们待在家里。
e.g. We stayed home ______ it rained. 因为下雨我们待在家里。
- the snow and ice 意为“冰雪”。
10. The earth is our ______ home. We must ______ it well for our children and for our children's ______, too!
地球是我们唯一的家园。我们必须善待它,为了我们的孩子,也为了孩子的孩子!
- ______ adj. 唯一的,仅有的;
- ______ v. 对待,治疗(过去式:______;过去分词:______);
treat it well 意为“善待它”;
- children's children 意为“孩子们的孩子们”(即“子孙后代”)。
- must 是情态动词,意为“必须”,后接动词原形。
【高频短语汇总】(中英互译)
1
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1. 特殊的行星 ______
2. 在将来 ______
3. 到处居住 ______
4. 生活在水中 ______
5. 覆盖地球表面 ______
6. 三分之二 ______
7. 只有一个大洋 ______
8. 不同部分 ______
9. 太平洋 ______
10. 印度洋 ______
11. 大西洋 ______
12. 北冰洋 ______
13. 七大洲 ______
14. 丰富的绿色森林 ______
15. 淡水 ______
16. 肥沃的土壤 ______
17. 难以居住 ______
18. 因为冰雪 ______
19. 唯一家园 ______
20. 善待地球 ______
21. 子孙后代 ______
【综合练习】
一、单项选择
( ) 1. The earth is a ______ planet.
A. special B. specially C. specialty D. specialize
( ) 2. We should protect the earth for the ______.
A. future B. past C. now D. yesterday
( ) 3. People can't live ______ on the earth.
A. somewhere B. anywhere C. everywhere D. nowhere
( ) 4. Oceans cover two ______ of the earth's surface.
A. third B. thirds C. three D. threes
( ) 5. The earth has ______ one big ocean.
A. only B. just C. simply D. all above
( ) 6. ______ Ocean is one of the four oceans.
A. Pacific B. Pacific's C. The Pacific D. A Pacific
( ) 7. Only about one third of our planet is ______.
A. water B. land C. air D. ice
( ) 8. There are ______ continents in the world.
A. five B. six C. seven D. eight
( ) 9. Some land is rich ______ green forests.
A. in B. on C. with D. for
( ) 10. Some places are difficult for humans ______.
A. live B. to live C. living D. lived
( ) 11. We stayed at home ______ the heavy rain.
A. because B. because of C. since D. as
( ) 12. The earth is our ______ home.
A. one B. only C. first D. last
( ) 13. We must ______ it well.
A. treat B. treats C. treating D. treated
( ) 14. Antarctica is a continent full of ______.
A. forests B. deserts C. snow and ice D. mountains
( ) 15. Two thirds of the students in our class ______ boys.
A. is B. am C. are D. be
二、根据汉语意思完成句子(每空一词)
1. 地球是一颗特殊的行星。
The earth is a ______ planet.
2. 它也将是我们未来的家园。
It will also be our home in the ______.
3. 人们不能在地球上到处居住。
People can't live ______ on the earth.
4. 我们不能生活在水中。
We can't live in ______.
5. 海洋覆盖地球表面的三分之二。
Oceans cover two ______ of the earth's ______.
6. 地球只有一个大洋。
The earth has ______ one big ocean.
7. 我们使用这些名称来称呼它的不同部分。
We use these names for its different ______.
8. 大约三分之一是陆地。
About one ______ is ______.
9. 有七大洲。
There are ______ continents.
10. 一些土地有丰富的绿色森林。
Some land is ______ with green forests.
11. 那里有淡水。
There is ______ water.
12. 有些地方难以居住。
Some places are ______ to live.
13. 因为冰雪,有些地方难以居住。
Some places are difficult to live ______ ______ the snow and ice.
14. 地球是我们唯一的家园。
The earth is our ______ home.
15. 我们必须善待地球。
We must ______ it well.
三、用所给单词的适当形式填空
1. The earth is a ______ (special) planet.
2. We will live on the earth in the ______ (future).
3. Oceans ______ (cover) two thirds of the earth's surface.
4. The earth has only one big ______ (ocean).
5. Only about one third of our planet is ______ (land).
6. There are seven ______ (continent) in the world.
7. Asia is the ______ (large) continent.
8. Some land is rich with green ______ (forest).
9. Some places are difficult for ______ (human) to live.
10. We must ______ (treatment) the earth well.
11. Two thirds of the water ______ (be) in the oceans.
12. Antarctica is full of ______ (ice).
13. The Pacific Ocean is the ______ (big) ocean.
14. We should protect the earth for ______ (child) children.
15. It is important ______ (treat) the earth well.
【参考答案】
课文要点挖空答案
1. special, future; special, particular, unusual; future
2. everywhere; everywhere, anywhere
3. water
4. Oceans, thirds, surface; ocean, sea; cover, cover; surface; third, thirds, fourths; thirds
5. only, parts; only; parts, sections, regions; Pacific, Indian, Atlantic, Arctic
6. third, land; planet, Earth; land
7. seven; continent; Asia, Africa, Oceania, Antarctica, Europe, North America, South America
8. rich, fresh, soil; rich, wealthy; fresh; soil
9. difficult, humans; difficult, easy; human, humans; because of, because of, because; because of, because
10. only, treat, children; only; treat, treated, treated; must
高频短语互译
1. a special planet
2. in the future
3. live everywhere
4. live in water
5. cover the earth's surface
6. two thirds
7. have only one big ocean
8. different parts
9. the Pacific Ocean
10. the Indian Ocean
11. the Atlantic Ocean
12. the Arctic Ocean
13. seven continents
14. rich with green forests
15. fresh water
16. good soil
17. difficult to live
18. because of the snow and ice
19. only home
20. treat the earth well
21. children's children
单项选择
1. A 2. A 3. C 4. B 5. D 6. C 7. B 8. C 9. C 10. B
11. B 12. B 13. A 14. C 15. C
完成句子
1. special
2. future
3. everywhere
4. water
5. thirds, surface
6. only
7. parts
8. third, land
9. seven
10. rich
11. fresh
12. difficult
13. because of
14. only
15. treat
用所给词填空
1. special
2. future
3. cover
4. ocean
5. land
6. continents
7. largest
8. forests
9. humans
10. treat
11. is
12. ice
13. biggest
14. children's
15. to treat
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