新概念英语册课后习题及答案：Lesson19-20】大学物理下册课后答案

【新概念英语册课后习题及答案：Lesson19-20】大学物理下册课后答案

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Written exercises 书面练习

A plete these sentences using am, is or are. 抄写以下句子用am, is或are填空。

Exle: Those children ______ thirsty. Those children are thirsty. 1 Those children ______ tired. 2 Their mother ______ tired, too. 3 That ice cream man ______ very busy. 4 His ice creams ______ very nice. 5 What\the matter, children? We ______ thirsty. 6 What\matter, Tim? I ______ tired.

B Write questions and answers. 模仿例句提问并回答。 Exle: his shoes/(dirty)/clean Are his shoes dirty on clean? They\

children/(tired)/thirsty 2 the postmen/(cold)/hot 3 the hairdressers/(thin)fat 4 the shoes/(small)/big 5 the shops/(shut)/open 6 his cases/(heavy)/light 7 grandmother

第 1 页 共 3 页

and grandfather/(young)/old 8 their hats/(old)/new 9 the policemen/(short)/tall 10 his trousers/(short)/long

答案： Lesson 20 A

1 Those children are tired. 2 Their mother is tired, too. 3 That ice cream man is very busy. 4 His ice creams are very nice.

5 What\6 What\Answers B

1 Are the children tired or thirsty? They\tired. They\

2 Are the postmen cold or hot? They\They\

3 Are the hairdressers thin or fat? They\They\

4 Are the shoes small or big? They\They\

第 2 页 共 3 页

5 Are the shops shut or open? They\They\

6 Are his cases heavy or light? They\They\

7 Are grandmother and grandfather young or old? They\

8 Are their hats old or new? They\new.

9 Are the policemen short or tall? They\They\

10 Are his trousers short or long? They\They\

第 3 页 共 3 页