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Unit 6 The power of language
Section C Grammaring
一、单项选择
（ ）1．______ everyone makes mistakes, we should be kind to others.
A．Because B．Since C．So D．But
（ ）2．______ she doesn’t like sports, she seldom goes to the sports centre.
A．As B．So C．But D．Or
（ ）3．I learn to play the piano by myself, ______ nobody teaches me.
A．as B．so C．but D．or
（ ）4．______ he is always late for school, his teacher is unhappy.
A．Since B．So C．But D．Because of
（ ）5．______ you are good at English, you can help me with my homework.
A．As B．So C．But D．Or
（ ）6．We choose this club ______ it has many fun activities.
A．as B．so C．but D．or
（ ）7．______ the museum is free, many students visit it on weekends.
A．Since B．So C．But D．Because of
（ ）8．______ he is only 12, he plays the piano very well.
A．As B．So C．But D．Although
（ ）9．I don’t eat too much sweet food ______ it’s bad for my teeth.
A．as B．so C．but D．or
（ ）10．______ you are my best friend, I will help you anytime.
A．Since B．So C．But D．Because of
二、改写句子。
用 since 或 as 改写下列句子，保持原意不变。
1．Because he is always late, his dad gets angry.
→ _________________________________
2．Because I like cooking, I often eat at home.
→ _________________________________
3．Because she is good at volleyball, she joins the club.
→ _________________________________
4．Because the activity is exciting, we all take part in it.
→ _________________________________
5．Because you are tired, you can rest for a while.
→ _________________________________
三、单词拼写。
根据句意和首字母提示，写出单词的正确形式。
1．We can use "since" or "as" to give r______ for something.
2．A______ your speech depends on who your audience is, you should think about your listeners.
3．English b______ words from other languages because it is influenced by different cultures.
4．The vocabulary of English keeps increasing a______ it never stops learning from other cultures.
5．Some English words have rich m______, so they are easy to understand.
6．Language gives us the a______ to share our feelings and thoughts with others.
7．We need to c______ with others in our daily life.
8．Different c______ influence the way people speak and write.
9．S______ everyone makes mistakes, we should be kind to others.
10．The King’s speech was powerful and gave the British people h______ in dark days.
四、语法填空
My name is Li Ming. I have a busy but happy school life. 1. ______ (since / because) I am in Grade 8, I have more subjects than before. I usually get up at 6:30 a.m. 2. ______ I don't want to be late for school. My school is not far from my home, so I often go there 3. ______ foot.
I like English very much, 4. ______ (as / but) it helps me learn about different cultures. My English teacher, Ms. Chen, is very kind. She often says, "5. ______ everyone makes mistakes, you should never give up." I think her words are very 6. ______ (use).
After school, I often play badminton with my 7. ______ (classmate). We all enjoy 8. ______ (play) it because it is exciting. Sometimes I hang out with my friends in the shopping mall 9. ______ weekends.
Last week, I visited the museum with my parents. 10. ______ (since / but) I love history, I learned a lot there. I hope to become a scientist in the future.
五、阅读理解
Tom is a middle school student. He has a happy school life. Every day, he gets up at 6:30 a.m. because he doesn't want to be late. He walks to school as his home is close to the school.
Tom likes playing volleyball very much. Since he is good at it, he joins the school volleyball team. They practice every Tuesday and Thursday afternoon. Tom never misses practice because he loves the sport.
At home, Tom has some rules. He must finish his homework first since his parents are strict about his study. On weekends, he helps his mom cook dinner because she is often busy.
Last week, Tom visited the science museum. He learned a lot as he is interested in science. He hopes to be a scientist in the future.
（ ）1. Why does Tom get up at 6:30 a.m.
A. Because he wants to play volleyball.
B. Because he doesn't want to be late for school.
C. Since he likes walking.
D. As his home is far.
（ ）2. Why does Tom walk to school
A. Because he has no bike.
B. As his home is close to the school.
C. Since he likes walking.
D. Because he is late.
（ ）3. Why does Tom join the school volleyball team
A. Because he wants to be famous.
B. Since he is good at volleyball.
C. As his friends ask him to.
D. Because he has no other activities.
（ ）4. Why must Tom finish his homework first
A. Since his parents are strict about his study.
B. Because he likes homework.
C. As he has no TV.
D. Since he is free.
（ ）5. Why did Tom learn a lot at the science museum
A. Because his teacher told him to.
B. As he is interested in science.
C. Since he went there with friends.
D. Because it was free.
参考答案：
一、单项选择。
1．B
- 语法考点：Since 引导原因状语从句，表示已知原因
- 语境语义解析：每个人都会犯错（已知事实），所以我们应该善待他人
- 干扰项分析：Because 也可表原因但语气更强；So 表结果；But 表转折
2．A
- 语法考点：As 引导原因状语从句，放在句首
- 语境语义解析：她不喜欢运动（已知原因），所以很少去体育中心
- 干扰项分析：So 表结果；But 表转折；Or 表选择
3．A
- 语法考点：as 表示原因，连接主句与从句
- 语境语义解析：我自学钢琴，因为没人教我
- 干扰项分析：So 表结果；But 表转折；Or 表选择
4．A
- 语法考点：Since 引导原因从句，放在句首
- 语境语义解析：因为他总是迟到（已知原因），老师很不高兴
- 干扰项分析：So 表结果；But 表转折；Because of 后接名词，不接句子
5．A
- 语法考点：As 表示“既然”，原因已知
- 语境语义解析：既然你英语好，你可以帮我做作业
- 干扰项分析：So 表结果；But 表转折；Or 表选择
6．A
- 语法考点：as 表示原因，放在主句后
- 语境语义解析：我们选择这个社团，因为它有很多有趣的活动
- 干扰项分析：So 表结果；But 表转折；Or 表选择
7．A
- 语法考点：Since 引导原因从句，表示已知事实
- 语境语义解析：既然博物馆免费，很多学生周末去参观
- 干扰项分析：So 表结果；But 表转折；Because of 后接名词
8．A
- 语法考点：As 表示原因（“因为”）
- 语境语义解析：因为他只有12岁（却弹得好），此处强调原因
- 干扰项分析：So 表结果；But 表转折；Although 表让步，不符合句意
9．A
- 语法考点：as 表示原因，放在主句后
- 语境语义解析：我不吃太多甜食，因为它对我的牙齿不好
- 干扰项分析：So 表结果；But 表转折；Or 表选择
10．A
- 语法考点：Since 表示“既然”，原因已知
- 语境语义解析：既然你是我最好的朋友，我会随时帮你
- 干扰项分析：So 表结果；But 表转折；Because of 后接名词
二、改写句子。
1．Since he is always late, his dad gets angry.
- 语法考点：Since 替换 because，表示已知原因
- 解析：since 引导原因从句放在句首，用逗号与主句隔开
2．As I like cooking, I often eat at home.
- 语法考点：As 替换 because，语气更弱
- 解析：as 表示“因为”，原因已知，放在句首
3．Since she is good at volleyball, she joins the club.
- 语法考点：Since 表示已知原因
- 解析：她擅长排球是已知事实，用 since 引导原因从句
4．As the activity is exciting, we all take part in it.
- 语法考点：As 表示原因
- 解析：活动令人兴奋是参加的原因，as 放在句首
5．Since you are tired, you can rest for a while.
- 语法考点：Since 表示“既然”
- 解析：你累了是已知原因，用 since 引导
三、单词拼写。
1．reasons
- 解析：reason 是可数名词，表示“原因”，此处用复数
2．As
- 解析：as 引导原因状语从句，放在句首，首字母大写
3．borrows
- 解析：borrow from 表示“从……借入”，主语 English 为三单，用 borrows
4．as
- 解析：as 引导原因状语从句，表示已知原因
5．meanings
- 解析：meaning 是可数名词，此处用复数 meanings 表示“丰富含义”
6．ability
- 解析：ability 是不可数名词，表示“能力”
7．communicate
- 解析：communicate with sb. 表示“与某人交流”
8．cultures
- 解析：culture 作“文化”讲时可数，此处用复数
9．Since
- 解析：since 表示“既然”，引导原因状语从句，句首首字母大写
10．hope
- 解析：hope 是不可数名词，表示“希望”
四、语法填空。
1．Since / As
- 语法考点：原因连词放在句首
- 解析：因为上八年级，所以科目更多。since/as 表示已知原因，句首首字母大写
2．because / as / since
- 语法考点：原因连词表“因为”
- 解析：早起是因为不想迟到，because 语气最强，as/since 也可用
3．on
- 语法考点：固定搭配 on foot
- 解析：on foot 表示“步行”，固定短语
4．as
- 语法考点：as 表示原因
- 解析：喜欢英语是因为它帮助了解文化，as 连接原因
5．Since / As
- 语法考点：原因连词放在句首
- 解析：既然每个人都会犯错，就不应放弃。表已知原因
6．useful
- 语法考点：形容词作表语
- 解析：be 动词后接形容词，use 的形容词形式为 useful
7．classmates
- 语法考点：名词复数
- 解析：和同学们打球，classmate 用复数 classmates
8．playing
- 语法考点：enjoy doing sth.
- 解析：enjoy 后接动名词作宾语
9．on / at
- 语法考点：介词短语表时间
- 解析：on weekends / at weekends 均可表示“在周末”
10．Since / As
- 语法考点：原因连词放在句首
- 解析：因为喜欢历史，所以学到很多。句首首字母大写
五、阅读理解。1．B
- 解析：文中第一段明确说明：“he gets up at 6:30 a.m. because he doesn't want to be late.” 选项 B 中的 because 与原文一致。干扰项 A 中的 because 后接错误原因，C、D 中的 since/as 后接内容与原文不符。
2．B
- 解析：文中第一段提到：“He walks to school as his home is close to the school.” as 表示“因为”，选项 B 中的 as 与原文对应。其他干扰项中的原因连词后接错误内容。
3．B
- 解析：文中第二段提到：“Since he is good at it, he joins the school volleyball team.” since 表示已知原因，选项 B 中的 since 与原文一致。其他选项原因错误。
4．A
- 解析：文中第三段提到：“He must finish his homework first since his parents are strict about his study.” since 表示原因，选项 A 中的 since 与原文对应。
5．B
- 解析：文中第四段提到：“He learned a lot as he is interested in science.” as 表示“因为”，选项 B 中的 as 与原文一致。其他选项中的 because/since 后接错误原因。
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