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Unit 2 What's your opinion？
课时练习5 Wrap up-Let’s explore
主题情境 天天参加了英语社团举办的英语超级挑战赛，我们也来看看吧！
一、挑战第一关“单词小达人”。请帮助天天根据句意和首字母提示补全句子或对话。
1.I want to wear a new d_____ for his party.
2.Tom likes to e_______new ways to solve maths problems.
3.Why are you late for school Please give me a r______.
4.—Tell me the t_______！ Did you finish your homework？
—Sorry，I didn’t.
5.—What’s your o__________on this new book？
— I think the book is very interesting.
二、挑战第二关“语法大挑战”。请阅读句子，选择正确的答案。
( )1.I finish my art homework ________ a crayon.
A.from B.with C.by
( )2.You should ________ your hands before eating.
A.washing B.wash C.washes
( )3.We have different ideas，_______ we are still good friends.
A.and B.or C.but
( ) 4.It’s sunny today. Why not ________ outside
A.to play B.play C.playing
( )5.Drinking enough water and playing sports often make us_______.
A.health B.healthy C.worse
三、挑战第三关“漫画我创作”。请根据选手们创作的漫画，参照例子，仿写句子。
例：The mouse is smaller than the elephant.
1.The boy’s cat________ _________than the girl’s cat.
2.My father is taller________ _________.
3.The shoes________ _________ ________ her feet.
4._____ ______ _____ _______ ________ _______ _______
四、挑战第四关“知识我分享”。请阅读关于模拟联合国的介绍，从方框中选词并用其适当形式补全短文。
Model United Nations, or Model UN, is an 1. ________ for students. In Model UN, they learn about the United Nations and how it works. Each student 2. ________ for a different country. They 3. _____ about the world’s problems and try to find solutions.
Students can talk about topics like getting clean water, protecting nature, or peace. They learn to 4. ______ opinions in public (公开), write and do research. Model UN also helps students meet new people and learn new things. It is a fun way to help make the world 5. _______!
五、挑战第五关“阅读智多星”。请阅读短文，选择正确的答案。
　 　 ___________
There are two kinds of elephants on land.One is the Asian(亚洲的)elephant and the other is the African(非洲的)elephant.Which one is bigger？ Now，I’ll tell you the answer.A 15-year-old African elephant is about 4 metres tall and weighs about 8 tons. They are the biggest(最大的) animals on land.So they are bigger than Asian elephants. Elephants like to live together.We can see almost one hundred elephants eating together and drinking together.Do you know how tall and how heavy a baby elephant is？ It is about 100 cm tall and weighs about 100 kg.
As we know，the dog is a clever animal.But the elephant is cleverer than the dog.Elephants can do many things for us.They can carry the goods.They can even take care of human babies.They can perform(表演)in the circus(马戏团).Elephants are really our friends.
( )1.What is the best title for this passage？
A.Big African Elephants
B.Elephants：Our Friendly Big Animals
C.Clever Dogs and Elephants
( )2.What can elephants do for people according to the passage？
①Carry the goods. ②Take care of human babies.
③Perform in the circus.
A.①② B.②③ C.①②③
( )3.Which one is true according to the passage？
A.African elephants are bigger than Asian ones.
B.Baby elephants are about 100 metres tall.
C.Elephants are not cleverer than dogs.
( )4.Where may this passage come from？
A.An animal science book. B.A storybook about magic.
C.A book about cooking.
参考答案
一、1.dress 2.explore 3.reason 4.truth 5.opinion
二、1.B解析：句子意思是“没蜡笔的话我没法完成美术作业。”，with表示工具或方式，故选B。
2.B 解析：should 后面加动词原形，故选B。
3.C 解析：根据句意 “我们想法不同，但仍是好朋友” 可知，这里应用but表转折，故选C。
4.B 解析：Why not 后面加动词原形，表示“为什么不做某事”，故选 B
5.B 解析：“make sb.＋ 形容词”表示“使某人处于某种状态”，“healthy”(健康的)是形容词，符合“多喝水、运动使我们健康”的语义，故选B。
三、1.is bigger/fatter
2.than me
3.are bigger than
4.The apple is healthier than the cake
四、1.activity 2.speaks 3.talk 4.share 5.better
五、1.B 解析：短文既讲了大象的体型(大)，又讲了大象是人类的朋友，标题“Elephants：Our Friendly Big Animals”(大象：我们友好的大型动物)涵盖了核心内容，故选B。
2.C
3.A 解析：由“So they are bigger than Asian elephants.”(“they”指代非洲象)可知，非洲象比亚洲象大，A表述正确；B中“100 metres tall”与文中“100 cm tall”矛盾；C与“the elephant is cleverer than the dog”矛盾，故选A。
4.A 解析：短文介绍了大象的种类、体型、习性等内容，这是动物科普类内容，可能来自动物科学书籍，故选A。

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