内容正文:
冀教版(新)七年级下英语Unit 8 lesson6“Time on the earth”
课后练习题
建议完成时间:30分钟
一、核心单词(根据汉语或首字母提示写出单词)
1. 十亿 (num.) ________
2. 研究 (n./v.) ________
3. 缩短 (v.) ________
4. 火山 (n.) ________
5. 底部 (n.) ________
6. 能量 (n.) ________
7. 生物 (n.) ________
8. 恐龙 (n.) ________
9. 关系 (n.) ________
10. 活动;事件 (n.) ________
11. 鼓励 (v.) ________
12. 出现 (v.) ________
13. 提供 (v.) ________
14. 包括 (v.) ________
15. 出生 (n.) ________
二、词形变化
1. appear (名词) ________
2. provide (名词) ________
3. encourage (名词) ________
4. relate (形容词,相关的) ________
5. event (形容词,重要的) ________
6. birth (动词,出生) ________
7. include (过去式) ________
8. shorten (过去式) ________
9. research (过去式) ________
三、核心短语(写出下列短语的英文)
1. 根据最新研究 ________
2. 以火山爆发开始 ________
3. 在海洋底部 ________
4. 提供能量 ________
5. 产生 ________
6. 不同生物 ________
7. 在历史上 ________
8. 最繁忙的时间 ________
9. 恐龙时代 ________
10. 各种各样的 ________
11. 世界地球日 ________
12. 鼓励某人做某事 ________
13. 拯救地球 ________
14. 分享你的想法 ________
四、根据提示完成单词(根据句意和首字母或汉语提示补全单词)
1. Our planet is about 4.6 b________ years old.
2. According to the latest r________, humans appeared only 2.5 million years ago.
3. If we s________ this time to one day, humans appeared in the last two minutes.
4. Midnight on the earth started with a b________ of v________.
5. Around 3 to 4 a.m., life appeared at the b________ of the oceans.
6. At 6 p.m., water and sunlight began to p________ energy for l________.
7. All kinds of plants started to g________.
8. At 9 p.m., the earth gave b________ to different c________.
9. At 11:30 p.m., d________ appeared.
10. The last 20 minutes of the day was the “b________” time.
11. After the age of dinosaurs, it was the age of all kinds of animals, i________ humans.
12. World Earth Day is an e________ that e________ people to save the earth.
五、用所给词的适当形式填空
1. Our planet ________ (be) about 4.6 billion years old.
2. According to the latest research, humans ________ (appear) only 2.5 million years ago.
3. If we shorten this time to one day, humans ________ (appear) in the last two minutes.
4. Midnight on the earth ________ (start) with a burst of volcanoes.
5. Around 3 to 4 a.m., life ________ (appear) at the bottom of the oceans.
6. At 6 p.m., water and sunlight began ________ (provide) energy for life.
7. All kinds of plants started ________ (grow).
8. At 9 p.m., the earth ________ (give) birth to different creatures.
9. At 11:30 p.m., dinosaurs ________ (appear).
10. The last 20 minutes of the day ________ (be) the “busiest” time.
11. World Earth Day ________ (be) on April 22 every year.
12. It is an event that ________ (encourage) people to save the earth.
六、从方框中选择词并用其适当形式填空
billion research volcano bottom energy creature dinosaur
relationship event encourage
1. The earth is about 4.6 ________ years old.
2. Scientists do a lot of ________ on wildlife.
3. The ________ erupted and sent lava into the air.
4. The fish lives at the ________ of the sea.
5. We need to save ________ by turning off lights.
6. This ________ lives in the forest.
7. ________ lived millions of years ago.
8. The ________ between humans and nature is important.
9. Earth Day is an important ________.
10. Teachers ________ students to work hard.
七、根据汉语意思完成句子(每空一词)
1. 我们的星球大约有46亿年的历史。
Our ________ is about 4.6 ________ years old.
2. 根据最新研究,人类仅在250万年前出现。
________ to the ________ research, humans ________ only 2.5 million years ago.
3. 如果我们把这个时间缩短到一天,人类出现在最后两分钟。
If we ________ this time to one day, humans ________ in the last two ________.
4. 地球的午夜以一阵火山爆发开始。
________ on the earth ________ with a burst of ________.
5. 大约凌晨3到4点,生命出现在海洋底部。
Around 3 to 4 a.m., ________ appeared at the ________ of the oceans.
6. 下午6点,水和阳光开始为生命提供能量。
At 6 p.m., water and sunlight began to ________ ________ for life.
7. 各种各样的植物开始生长。
All ________ of plants started to ________.
8. 晚上9点,地球孕育了不同的生物。
At 9 p.m., the earth ________ ________ to ________ ________.
9. 晚上11:30,恐龙出现了。
At 11:30 p.m., ________ appeared.
10. 一天的最后20分钟是最“繁忙”的时间。
The last 20 ________ of the day was the “________” time.
11. 恐龙时代之后,是包括人类在内的各种动物的时代。
After the ________ of ________, it was the age of all kinds of animals, ________ humans.
12. 世界地球日是一个鼓励人们拯救地球的活动。
World Earth Day is an ________ that ________ people to ________ the earth.
参考答案
一、核心单词
1. billion
2. research
3. shorten
4. volcano
5. bottom
6. energy
7. creature
8. dinosaur
9. relationship
10. event
11. encourage
12. appear
13. provide
14. include
15. birth
二、词形变化
1. appearance 2. provision 3. encouragement 4. related 5. eventful 6. bear 7. included
8. shortened 9. researched
三、核心短语
1. according to the latest research
2. start with a burst of volcanoes
3. at the bottom of the oceans
4. provide energy for life
5. give birth to
6. different creatures
7.in history
8. the busiest time
9. the age of dinosaurs
10. all kinds of
11. World Earth Day
12. encourage sb. to do sth.
13. save the earth
14. share one's ideas
四、根据提示完成单词
1. billion
2. research
3. shorten
4. burst, volcanoes
5. bottom
6. provide, life
7. grow
8. birth, creatures
9. dinosaurs
10. busiest
11. including
12. event, encourages
五、用所给词的适当形式填空
1. is
2. appeared
3. will appear
4. started
5. appeared
6. to provide
7. to grow
8. gave
9. appeared
10. was
11. is
12. encourages
六、选词填空
1. billion
2. research
3. volcano
4. bottom
5. energy
6. creature
7. Dinosaurs
8. relationship
9. event
10. encourage七、根据汉语意思完成句子
1. planet, billion 2. According, latest, appeared 3. shorten, appeared, minutes
4. Midnight, started, volcanoes 5. life, bottom 6. provide energy 7. kinds, grow
8. gave birth, different creatures 9. dinosaurs 10. minutes, busiest 11. age, dinosaurs, including
12. event, encourages, save
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