《2025年新课程示径学案作业设计七年级英语下册译林版》

一、词汇运用
B. 用括号内所给单词的适当形式填空。
1. Two-thirds of the earth's surface _______ (be) covered by water.

答案： is
解析：“分数+of+名词”作主语时，谓语动词与名词一致，surface为不可数名词，描述客观事实用一般现在时，故填is。

2. The Yangtze River is one of the longest _______ (river) in the world.

答案： rivers
解析：one of后接可数名词复数，river的复数为rivers，故填rivers。

3. Forests help to keep the air _______ (clean).

答案： clean
解析：keep+宾语+形容词（作宾补），clean（干净的）为形容词，符合语境“保持空气干净”，故填clean。

4. The weather is perfect for _______ (walk) at this time of year.

答案： walking
解析：for为介词，后接动名词，walk的动名词为walking，故填walking。

5. These mountains are usually _______ (cover) with snow.

答案： covered
解析：be covered with（被……覆盖）为固定搭配，cover的过去分词为covered，故填covered。

6. The fish can survive in the cold _______ (condition).

答案： conditions
解析：condition表示“环境，条件”时常用复数，cold conditions（寒冷的环境），故填conditions。

7. The forest _______ (produce) a lot of oxygen.

答案： produces
解析：描述客观事实用一般现在时，主语forest为单数，produce的三单形式为produces，故填produces。

8. Some villages are in danger of _______ (flood).

答案： being flooded
解析：of为介词，后接动名词，villages与flood为被动关系，用being flooded（被淹没），故填being flooded。

9. The desert is _______ (hot) during the day than at night.

答案： hotter
解析：than为比较级标志，hot的比较级为hotter，故填hotter。

10. The river has two _______ (face).

答案： faces
解析：face表示“河岸”时为可数名词，two后接复数，face的复数为faces，故填faces。

二、单项选择
（ ）1. The ocean _______ a large part of the earth.
A. covers
B. is covering
C. covered
D. will cover

答案： A
解析：描述客观事实用一般现在时，主语ocean为单数，cover（覆盖）的三单形式为covers，故选A。

（ ）2. —Why is the water in the river useful? —Because it's _______.
A. fresh
B. hot
C. dirty
D. cold

答案： A
解析：河水有用是因为“新鲜”，fresh（新鲜的）符合语境；hot（热的），dirty（脏的），cold（冷的）均不符，故选A。

（ ）3. The desert is very cold at night, but _______ during the day.
A. hot
B. cool
C. warm
D. wet

答案： A
解析：根据常识，沙漠“白天热，晚上冷”，hot（热的）符合语境；cool（凉爽的），warm（温暖的），wet（湿的）均不符，故选A。

（ ）4. —What can we get from knowing more about different landscapes?
—We can know how to _______ nature.
A. look after
B. look for
C. look at
D. look up

答案： A
解析：look after（照顾，保护），look for（寻找），look at（看），look up（查阅）；结合语境“了解景观后知道如何保护自然”，故选A。

（ ）5. The forest is full of _______ and it's beautiful.
A. tree
B. trees
C. flower
D. animal

答案： B
解析：full of后接可数名词复数，tree的复数为trees；flower/animal为单数，均不符，故选B。

（ ）6. _______ do you know about deserts? —They are very dry and hot.
A. What
B. How
C. Where
D. When

答案： A
解析：根据答语“They are very dry and hot.”可知询问“关于沙漠你知道什么”，what（什么）符合语境；how（如何），where（哪里），when（何时）均不符，故选A。

（ ）7. The river _______ from the mountains and runs into the sea.
A. rises
B. raises
C. gets
D. goes

答案： A
解析：rise（上升，起源）为不及物动词，指自然升起/起源；raise（举起，筹集）为及物动词，需接宾语；此处指“河从山里起源”，用rises，故选A。

（ ）8. —Which landscape do you like best?
—I like _______ best. They help to make the air clean and fresh.
A. mountains
B. deserts
C. plains
D. forests

答案： D
解析：根据“They help to make the air clean and fresh.”可知是森林，forests（森林）符合语境；mountains（山），deserts（沙漠），plains（平原）均不符，故选D。

（ ）9. Oceans cover about _______ of the earth's surface.
A. three-fourth
B. three quarter
C. three quarters
D. third-four

答案： C
解析：四分之三的正确表达为three quarters（quarter为可数名词，复数），three-fourth应为three-fourths，A、B、D形式错误，故选C。

（ ）10. —How long is the Yangtze River? —It's about 6,300 kilometres _______.
A. wide
B. deep
C. long
D. high

答案： C
解析：根据“How long”可知询问长度，用long（长的）；wide（宽的），deep（深的），high（高的）均不符，故选C。