Unit 6 Keep It Green（易错题专项练习·基础知识) 英语教科版六年级上册（新教材)

Unit 6  Keep It Green

专题01 基础知识·易错题专项训练

“She wants to find out the reasons for food waste at her school.”

她想找出她学校食物浪费的原因。（P64）

“We found that students can't finish their food because …”

我们发现学生吃不完饭菜，因为……（P70 海报）

“The reason is …”

原因是……（P71 说明问题与对策的句型）

“This happens because …”

出现这种情况是因为……（P71 说明问题与对策的句型）

1. reason 是名词，“……的原因”用 the reason for + 名词 / 动名词；for 是介词，不能用 of：the reasons for food waste / the reason for wasting food。

2. 说明原因有三种常用句式：The reason is that + 句子；This happens because + 句子；主句 + because + 句子。

3. because 是连词，后面接完整句子；because of 是介词短语，后面只接名词、代词或动名词，两者不能混用。

4. find out 意为“查明、弄清”，后面可接名词或从句：find out the reasons / find out why there is food waste。

5. 宾语从句用陈述语序：I want to find out why there is food waste.（不能说 why is there …）

6. at school 表示“在校（学习）”，at the school 指“在那所学校”，本课谈校内现象用 at our school。

◆ “……的原因”用介词 for，不用 of。

✗ 错误：Can you tell me the reason of food waste?

✓ 正确：Can you tell me the reason for food waste?

◆ The reason is 后面接 that 从句，不用 because。

✗ 错误：The reason is because some students are picky.

✓ 正确：The reason is that some students are picky.

◆ because of 后面不能接句子。

✗ 错误：This happens because of some students are picky.

✓ 正确：This happens because some students are picky.

◆ 介词 for 后面接动词要用 -ing 形式。

✗ 错误：What is the reason for waste food?

✓ 正确：What is the reason for wasting food?

◆ 宾语从句要用陈述语序。

✗ 错误：I want to find out why is there so much food waste.

✓ 正确：I want to find out why there is so much food waste.

一、单项选择

(     )1. Can you tell me the reason ______ food waste at our school?

A. of                    B. for                  C. to

(     )2. The reason ______ food waste is that students are picky about food.

A. of                     B. for                 C. why

(     )3. This happens ______ some students don't have enough time for breakfast.

A. because                B. because of           C. so

(     )4. I want to ______ why there is so much food waste.

A. find out                B. find                C. look

(     )5. Students waste food ______ they take too much food.

A. because of                B. because           C. so

二、用所给词的适当形式填空

1. What is the reason for ______ (waste) food?

2. This happens because some students ______ (be) picky about food.

3. We found out why there ______ (be) so many leftovers.

4. She wants to find out the ______ (reason) for food waste.

5. They don't have enough time ______ (have) breakfast.

点拨 一、 1．B　[解析] the reason for … 为固定搭配，for 是介词，故选 B。 2．B　[解析] the reason for + 名词，表示“……的原因”，故选 B。 3．A　[解析] 后面是完整句子，用连词 because，故选 A。 4．A　[解析] find out 意为“查明、弄清”，符合句意，故选 A。 5．B　[解析] 后面是完整句子，用 because；because of 后只能接名词或动名词，故选 B。 二、 1．wasting　[解析] for 是介词，后面接动词 -ing 形式。 2．are　[解析] 主语 some students 是复数，一般现在时 be 动词用 are。 3．are　[解析] 从句用陈述语序，leftovers 是复数，be 动词用 are。 4．reasons　[解析] 原因不止一个，用复数 reasons。 5．to have　[解析] 固定句型 have enough time to do sth. 有时间做某事。

“You should eat fewer snacks.”

你应该少吃零食。（P62）