Unit 3 词汇扩展及讲解练习-2024-2025学年人教版八年级英语下册
人教八下 Unit 3
一、词汇扩展
1. provide – (过去式) – (同义词)
2. depend(动词) – 依赖的(形容词) — 信赖, 依存 (名词) – (形容词的反义词) — (名词的反义词)
3. fair (形容词) – (反义词) – 集市(名词)
4. develop – (过去式) – (现在分词) – 发展(名词)
5. neighbor(名词) – 小区(名词)
6. ill – (比较级) – (最高级) – (同义词)
7. drop— (过去式) – (同义词)
8. anyway— (同义词)
9. stress – (同义词)
二、词汇讲解
1. as a result
as a result为习惯短语,意为“因此;结果”,在句中作状语
as a result of意为“由于……;作为……的结果”。先交代结果,再用as a result of连接原因。
2. waste
waste 作不可数名词,意为“浪费,废物,垃圾”
waste 作形容词,意为“无用的,浪费的,荒废的”
waste 作及物动词,意为“浪费”
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3. pass
pass作动词,意为“经过,传递”
pass 作名词,意为“关口,通过”
4. borrow&lend
borrow 意为“借,借用”;反义词是lend(借出)。
“borrow…from”意为“从……借(入)……”。
“lend…to”意为“把……借(出)……”。
5. depend
depend意思为“依靠、依赖、取决于”等,只用作不及物动词,通常与介词 on, upon 连用
depend on/upon+某人或某物
It (all) depends. /That depends.意为“那要看情况”、代词或从句作宾语
6. while
while作连词时,可以意为“当……时候, 和……同时”
while还可作并列连词,意为“而,然而”,表示两者之间的对比
7. provide
provide为及物动词,意为“提供”,常和with搭配
provide sb. with sth.表示“为某人提供某物”,其同意表达为 provide sth. for sb.。8. since
since作介词,意为“从…以来; 自从…之后”
since作连词,可以意为“因为; 既然; 由于”
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练习
一、单选
1.I like cooking ______ I often make breakfast.
A.because B.so C.because of D.but
2.—Must I finish my homework?
—No, you_______. You may do it tomorrow.
A.needn’t B.can’t C.mustn’t D.couldn’t
3.—Sorry, teacher. I forgot ______ my homework here.
—It doesn’t matter. Don’t forget next time.
A.brought B.brings C.to brought D.to bring
4.—David, __________ you please sweep the floor and take out the trash?
—OK, mum.
A.May B.Should C.Could
5.—Mendy is still angry with me. What should I do?
—Maybe you ________ write a letter to say sorry to her.
A.must B.mustn’t C.couldn’t D.could
6.— ________ you please pass me the salt?
— Yes, here you are.
A.Can B.Should C.Must D.Could
7.—Could I drive a car to school, Mr. Green?
—No, you ________. Teenagers under 16 aren’t allowed to drive.
A.couldn’t B.can’t C.needn’t
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