The old man realized that too much salt was harmful to health．The old mandidn'trealizethat too much salt was harmful to health．题目和参考答案——青夏教育精英家教网—

题目内容

13．The old man realized that too much salt was harmful to health．（改为否定句）
The old mandidn'trealizethat too much salt was harmful to health．

分析老人意识到太多盐对健康有害．
老人还没意识到太多盐对健康有害．

解答答案：didn't realize 根据题意要把原句改为否定句，原句为一般过去时，改为否定句时需要借助于助动词did的否定形式didn't后接realized的动词原形realize．故答案为：didn't realize．

点评作答时需要区分句子的时态，掌握动词的过去式和原形之间的变化

练习册系列答案

1．---How clean the classroom is!
---Yes，I am sure that someone _____it．（　　）

8．The river used to be so clean．（改为否定句）
The riverdidn't/useduse/notto be so clean．

18．-Linda，could you tell me _____ the storybook？
-Oh，I bought it in the bookshop near our school．（　　）

	A．	where did you buy		B．	where will you buy
	C．	where you bought		D．	where you will buy

5．In some ways，we look the same．But my sister is ______ me，she can't stop talking．（　　）

	A．	as quiet as		B．	as outgoing as
	C．	more outgoing than		D．	quieter than

2．The old man sold all his collections _ _ the children in hospital．（　　）

5．It's bad for your eyes ________ computer games too much．（　　）

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