一、词汇运用。
1. The grassland is an important ______（生态系统）, because it provides a home for many plants and animals.
2. My uncle is a scientist who studies the effects of ______（气候） change on animals.
3. ______（企鹅）live in very cold places. They have thick feathers to keep warm.
4. (2025·无锡市江阴阶段练习改编)If he isn't careful, he may lose his way in the ______ /'reɪnfɒrɪst/.
5. My friend lives in the hottest and ______（dry） place in Africa.

ecosystem
; climate
; Penguins
; rainforest
; driest

1. Lixia, or the Start of Summer, is a time when the temperature increases quickly with heavier ______.
A. rainfall
B. weight
C. attention
D. growth

A

2. It's important for us ______ birds.
A. protecting
B. to protect
C. protects
D. protect

B

3.（2024·徐州市沛县第五中学期末）Not only you but also John ______ to ______ the activity.
A. hope; join
B. hopes; join
C. hope; take part in
D. hopes; take part in

D
;

4. Monkeys are very clever. In fact, they ______ humans in some ways.
A. like
B. don't like
C. are like
D. aren't like

C

5. Simon knows ______ Chinese but he has ______ Chinese friends here.
A. few; little
B. little; few
C. little; a few
D. a few; little

C

6. (2024·无锡市江阴期末)—Good news! You've passed the driving test.
—Really? _______, I didn't sleep well for a few days.
A. No way
B. You bet
C. Not exactly
D. To be honest

D

三、完成句子。
1. 雅鲁藏布大峡谷是成千上万动植物的家园。
The Yarlung Zangbo Grand Canyon ______
______ thousands of
animals and plants.
2. 这所大学非常出名，每周都有数以百计的人来此参观。
This university is ______ famous
______ hundreds of people come and
visit it every week.
3. 你今天必须完成至少一半的工作。
You must finish at least ______
______ today.
4. 这座村庄位于一座山脚下。
The village ______ the foot of a
mountain.
5. 老师正在给学生们展示一些鸟类的图片。
The teacher ______ the students
______.

is
; home to
; so
; that
; half of the work
;
; lies at
; is showing
; some pictures of birds