文档内容
Unit 7 What's the highest mountain in the world?
第四课时(分层作业)
基础达标
一、用所给单词的正确形式填空。
1．An adult polar bear w up to 1000 kilograms.
2．To his surprise, the book has round, not s corners.
3．Don’t take any snacks. The ticket price i two cups of cola and a box of popcorn.
4．We love n and we enjoy the beauty of flowers and grass.
5．The p of Jiangsu has grown to more than twice what it was in 1949.
能力提升
二、单项选择
6．You are eighteen and have turned into a(n) _______ now. You can’t always make the same
mistake like a child.
A．volunteer B．student C．guest D．adult
7．This animal is ________ in size, but it has a very loud voice.
A．huge B．strong C．low D．tiny
8．—If you really want me to help you, you have to tell me the ________.
—OK! I had a fight with my parents last night.
A．illness B．truth C．question D．pressure
9．—It seems that Marian never says anything wrong.
—Well, she likes ________ her words carefully before they are out of her mouth.
A．breaking B．following C．weighing D．keeping
10．We will have a new ________ to go for a holiday between Beijing and Shanghai in July.
A．choice B．instruction C．research D．practice
三、补全对话。填入一个适当的词补全对话，每空一词。
A: Hello, Mike. Long time no see. 11 have you been?
B: I’ve been to Sichuan to see pandas.
A: How lucky! Would you mind 12 me something about pandas?
B: Not at all. Baby pandas are 13 smaller than adult pandas. When they’re born, they only
weigh about 0.1 to 0.2 kilos.
A: How small they are!
B: Yes. 14 birth, it’s only about 15 cm long.
A: Is a baby panda also black and white? B: No, it’s pink.
A: How long can pandas live?
B: They can live 15 to 20 to 30 years.
拓展训练四、完形填空
通读下面短文，掌握其大意，然后在各小题所给的四个选项中，选出一个最佳答案，并将答
题卡上对应题目所选的选项涂黑。
Elephants are the largest land animals on the earth. They look very 16 . They have
long noses, large ears and thick legs. There are 17 two types of elephants: the Asian
elephant and the African elephant. African elephants live in the rain forests of Central and West
Africa. Asian elephants live in Nepal, India and Southeast Asia. African elephants are the 18
of the two types. They grow to between 2.5 and 4 meters tall and 19 2,268 kg to 6,350 kg.
Asian elephants are just a little smaller.
Elephants always live in 20 called herds（群）. All of the elephants in the herd
21 each other. The leader of the herd is an old mother elephant. She is the matriarch（族长）.
A herd may have as few as eight or 22 100 elephants. The other elephants follow the
matriarch because she knows how to keep them 23 from the coming danger.
Elephants learn by watching and copying others, and also learn from life. They are smart
animals with good 24 . In the dry season, a matriarch can remember 25 water
was found in the past. The head will follow her there. She can also remember the safest place for
baby elephants to cross a fast-moving river. Baby elephants stay with their mothers until they are
fully grown at about ten years old.
16．A．sick B．soft C．strong D．strict
17．A．mainly B．clearly C．lonely D．especially
18．A．taller B．heavier C．larger D．smaller
19．A．eat B．walk C．drink D．weigh
20．A．turns B．cities C．rows D．groups
21．A．take care of B．take control of C．look like D．look through
22．A．as much as B．as many as C．as long as D．as little as
23．A．quiet B．peace C．safe D．nervous
24．A．memories B．feelings C．conditions D．decisions
25．A．what B．where C．when D．why
