小学下册第十四次英语第3单元期末试卷

小学下册英语第3单元期末试卷
英语试题
一、综合题(本题有50小题，每小题1分，共100分.每小题不选、错误，均不给分)
1 A __________ is a valuable resource for industry.
2 What is the hottest planet in our Solar System?
A. Mercury
B. Mars
C. Venus
D. Jupiter
3 Which animal is known for its ability to change colors?
A. Chameleon
B. Frog
C. Snake
D. Lizard
4 My dad is a __________ (投资顾问).
5 Which animal is known for its long neck?
A. Elephant
B. Lion
C. Giraffe
D. Tiger
6 After school, I do my _______ (作业) and then go outside to _______ (活动). Sometimes, I help my _______ (家庭成员) with _______ (任务).
7 What do we call the act of jumping from an airplane and free-falling before opening a parachute?
A. Skydiving
B. Bungee Jumping
C. Paragliding
D. Base Jumping
答案：A
8 A curious ___ (小狐狸) peeks out from behind a bush.
9 I think friendship is one of the greatest gifts. Friends support each other through thick and thin. I’m grateful for my friend __________, who always knows how to cheer me up.
10 They are _____ (riding) their bikes.
11 The rabbit thumps its feet to warn of _______ (危险).
12 My pet ______ (猫) loves to play with toys.
13 Which insect makes honey?
A. Ant
B. Fly
C. Bee
D. Mosquito
14 A base reacts with an acid to form ______ and water.
15 The chemical symbol for rhodium is ______.
16 The ________ (puzzle) has many pieces.
17 I ________ to play games.
18 What do we call the practice of planting trees to improve the environment?
A. Reforestation
B. Deforestation
C. Afforestation
D. Urbanization
答案:A
19 The caterpillar will become a ______.
20 The kitten is _____ with a ball. (playing)
21 The basic unit of a protein is an ________.
22 An island is a piece of land completely surrounded by ________.
23 An alkali is a type of _____.
24 The Crab Nebula is the remnant of a _______ explosion.
25 The squirrel collects ______ (坚果) in autumn.
26 The chemical formula for hydrochloric acid is ______.
27 A _______ is a mixture where one substance is dissolved in another. (溶液)
28 The ______ (小鸟) finds a cozy spot to rest in the tree.
29 A __________ is known for its ability to hop.
30 Which object helps us tell time?
A. Compass
B. Clock
C. Map
D. Book
31 The bird can _________ (飞) high in the sky.
32 The _____ (植物) in the rainforest are diverse and unique.
33 _____ (雨林保护) is vital for global biodiversity.
34 There are five ______ in my family. (people)
35 What is 15 - 7?
A. 5
B. 6
C. 7
D. 8
36 What do you call a large body of salt water?
A. Lake
B. River
C. Ocean
D. Pond
37 We can ___ a picnic in the park. (have)
38 ________ (植物适应性改善) benefits agriculture.
39 We love to _______ (跳舞) at parties.
40 We need to _______ (改善) our community.
41 The __________ is a famous river in Egypt. (尼罗河)
42 I think it’s important to ________ (保持积极).
43 The weather is very ___ (nice/stormy) today.
44 Which of these is a type of dessert?
A. Cake
B. Salad
C. Soup
D. Sandwich
45 He helps me with ______ (作业).
46 The first person to swim the English Channel was _______. (马修·韦本)
47 My favorite game is ______.
48 The chemical formula for lithium carbonate is ______.
49 What is the primary color of a lemon?
A. Green
B. Yellow
C. Red
D. Blue
答案: B
50 The _______ of an object can be calculated with a scale.
51 My cousin has a _________ (玩具恐龙) that roars loudly.
52 Which of these is a type of fabric?
A. Silk
B. Plastic
C. Glass
D. Wood
答案:A
53 What is the capital of Cuba?
A. Havana
B. Santiago
C. Camaguey
D. Holguin
答案:A
54 The main gas produced by fermentation is __________.
55 My mom loves to __________. (购物)
56 What do you call the time of day when the sun goes down?
A. Morning
B. Afternoon
C. Evening
D. Midnight
57 Which season comes after winter?
A. Spring
B. Fall
C. Summer
D. Winter
58 The teacher gives _____ (评估) to check progress.
59 What do we call the layer of air surrounding the Earth?
A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. Biosphere
答案: A. Atmosphere
60 A ______ is a geological formation consisting of large rocks.
61 My cat caught a ________ in the yard.
62 My aunt has a baby. I call him __________. (小表弟)
63 What is the main ingredient in chocolate?
A. Sugar
B. Cocoa beans
C. Milk
D. Flour
答案: B
64 The chemical formula for lead(II) sulfate is __________.
65 The hummingbird flaps its wings rapidly while feeding on ______ (花蜜).
66 The _____ (海狮) barks loudly.
67 What do we use to write on paper?
A. Brush
B. Crayon
C. Pencil
D. Marker
68 What is the name of the insect that is known for its colorful wings?
A. Fly
B. Beetle
C. Butterfly
D. Ant
答案: C
69 The _____ (雨伞) is colorful.
70 How many wheels does a car typically have?
A. 2
B. 3
C. 4
D. 5
71 The James Webb Space Telescope is designed to observe the early ______.
72 The __________ (历史的动态变化) shape perceptions.
73 The flowers are ___ (colorful/plain).
74 What do you call the large body of ice that moves slowly over land?
A. Glacier
B. Iceberg
C. Snowfield
D. Permafrost
75 I like to dig in the ______.
76 The ________ (event) promotes creativity.
77 The _____ (猫) stretches after a long nap.
78 The process of converting a gas back to a liquid is called _____.
79 I like to swim in the ___. (pool)
80 历史上，________ (technology) 的发展改变了人们的生活方式。

81 My sister is a talented __________ (编程员).
82 The __________ is a famous mountain range in Europe.
83 The library has _____ (many/few) books.
84 The __________ is a famous area known for its hot springs.
85 What do bees make?
A. Milk
B. Honey
C. Sugar
D. Jam
86 What is the name of the famous writer known for his "Iliad" and "Odyssey"?
A. Homer
B. Virgil
C. Sophocles
D. Plato
答案: A
87 What do we call a large, slow-moving body of ice?
A. Glacier
B. Iceberg
C. Snowfield
D. Frost
答案:A
88 What do you call the process of learning new things?
A. Education
B. Training
C. Teaching
D. Studying
答案:A
89 We use ______ (草) to make lawns green.
90 I love to ___ (travel) to new places.
91 My dream is to travel to ______.
92 The _____ (植物繁荣) occurs in favorable conditions.
93 He rides his bike in the ___. (park)
94 What do we call a place where you can see many historic items?
A. Museum
B. Library
C. Archive
D. Gallery
95 A simple machine like a lever helps us to ______ (lift) heavy things.
96 What do you call a young bear?
A. Cub
B. Pup
C. Kit
D. Calf
97 I like to ______ (参加) art exhibitions.
98 My dad loves to play ____ (badminton) with friends.
99 A nebula is a giant cloud of ______ in space.
100 What is the name of the famous tropical rainforest in Brazil?
A. Amazon Rainforest
B. Congo Rainforest
C. Daintree Rainforest
D. Sundarbans。