人教版八年级下册英语课时练Unit7SectionB（3a—Self Check）答案

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[课前自预习]

Ⅰ．题目略

1．protection

2．dangerous

3．stronger

4．highest

5．pollution

Ⅱ．题目略

1．catch; for

2．stop putting; into

3．protect; from

4．many times more

【课堂练习探究】

◇写作指导：略

◇达标检测

Ⅰ．1．protection 2．eating 3．Humans 4．fewer 5．harder

Ⅱ．1一5 DADCD

【课后巩固提升】

Ⅰ．1．whale 2．oil 3．huge 4．danger 5．pollution

Ⅱ．题目略

1．the most dangerous

2．crowded

3．success

4．healthier; healthier

5．polluting

Ⅲ． 1～5 BCADB

Ⅳ．题目略

1．How much

2．look like

3．bigger; any other

4．spent; finishing

5．three times/ten years

Ⅴ． 1一5 EFDGB