小学下册第九次英语第3单元全练全测(含答案)

小学下册英语第3单元全练全测(含答案)
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 I enjoy watching a _______ (小金鱼) swim in its bowl.
2 What is the capital city of Mexico?
A. Cancun
B. Guadalajara
C. Mexico City
D. Tijuana
答案：C
3 Did you know that a _______ (小海豚) is very intelligent?
4 Where do fish live?
A. Trees
B. Ground
C. Water
D. Sky
答案:C
5 I want to ___ a great chef. (become)
6 A _______ is a large area of flat land with few trees.
7 What is the name of the boundary beyond which no light can escape a black hole?
A. Event Horizon
B. Singularity
C. Photon Sphere
D. Accretion Disk
8 The __________ (历史的交互) fosters dialogue.
9 urban wildlife) contributes to biodiversity. The ____
10 A ______ (植物博物馆) can educate visitors about species.
11 My neighbor, ______ (我的邻居), has two cats.
12 The __________ (三藩市) earthquake happened in 1906.
13 What do we call a scientist who studies the weather?
A. Meteorologist
B. Oceanographer
C. Climatologist
D. Geologist
答案: A
14 What is the color of the sky on a clear day?
A. Green
B. Yellow
C. Blue
D. Red
答案: C. Blue
15 The process of freezing occurs when a liquid loses _______.
16 What is the term for a baby bison?
a. Calf
b. Pup
c. Kit
d. Chick
答案:a
17 Which animal is known as "man's best friend"?
A. Cat
B. Dog
C. Rabbit
D. Hamster
答案:B
18 What is the opposite of big?
A. Small
B. Large
C. Huge
D. Giant
答案: A
19 The _____ (cypress) tree is often seen in swamps.
20 What do we call the movement of people from one place to another?
A. Travel
B. Migration
C. Commute
D. Adventure
答案:B
21 The Earth's crust is essential for providing ______ resources.
22 The chemical formula for potassium iodide is ______.
23 The __________ (自然资源) are vital for survival.
24 Goats like to climb _______ (山).
25 What color is the sky?
A. Blue
B. Green
C. Red
D. Yellow
答案:A
26 The ________ is a popular choice for pets.
27 The garden is ___. (beautiful)
28 What do you call the frozen form of water?
A. Ice
B. Snow
C. Steam
D. Rain
29 What do you call the area of land that is used for farming?
A. Field
B. Farm
C. Ranch
D. Garden
答案: B
30 The rabbit hops _______ (快速) away from danger.
31 A ______ (绿色的草地) is inviting for picnics.
32 Acids turn blue litmus paper ______.
33 The _______ (鲸鱼) sings underwater.
34 What do we call the movement of people from one place to another?
a. Migration
b. Travel
c. Displacement
d. Relocation
答案:a
35 What is the main ingredient in mayonnaise?
A. Oil
B. Egg
C. Vinegar
D. All of the above
36 The _______ (Emancipation) proclamation declared the freedom of slaves in Confederate states.
37 What is 12 + 8?
A. 18
B. 19
C. 20
D. 21
38 What is the primary language spoken in China?
A. Hindi
B. Mandarin
C. English
D. Spanish
39 Plants can survive in ______ (不同的环境).
40 I want to _______ (学习) about geography.
41 A _____ (小马) can be very gentle and friendly.
42 My dog barks to greet my ______ (朋友).
43 The term "catalyst" refers to a substance that speeds up a chemical _______.
44 The chemical symbol for calcium is ______.
45 I enjoy _______ (cooking) dinner.
46 Bubbles form when a liquid ______.
47 What do we call the process of a caterpillar turning into a butterfly?
A. Metamorphosis
B. Photosynthesis
C. Evolution
D. Transformation
答案:A
48 How many colors are in a rainbow?
A. 5
B. 6
C. 7
D. 8
49 What do we call the study of the mind and behavior?
A. Psychology
B. Sociology
C. Anthropology
D. Psychiatry
答案：A
50 We can see many ________ (野生动物) in the national park.
51 A chemical bond forms when atoms share or transfer ______.
52 The ______ can be found in almost every habitat.
53 What do we call a vehicle that flies?
A. Car
B. Train
C. Boat
D. Airplane
答案:D
54 I can _______ (用英语说) simple sentences.
55 A galaxy can contain billions of ______.
56 During summer camp, we made ________ (风筝) and flew them in the sky.
57 What animal is known for its ability to mimic sounds?
A. Dog
B. Parrot
C. Cat
D. Snake
58 She has a beautiful ________.
59 She is wearing a ___. (scarf)
60 The clouds are fluffy and ___. (white)
61 The __________ (南美洲) is home to the Amazon Rainforest.
62 The process of sedimentation occurs when particles settle out of ______.
63 My ______ is very supportive and caring.
64 Which one is a cold drink?
A. Coffee
B. Tea
C. Lemonade
D. Soup
65 The ________ (根部系统) varies among plants.
66 Which food is made from eggs and often eaten for breakfast?
A. Toast
B. Pancake
C. Omelet
D. Cereal
答案:C
67 My favorite subject to study is ______.
68 The ____ has a long lifespan and is often kept as a pet.
69 I have a ___ (hobby/job) that I enjoy.
70 The chemical structure of water is described as _____ (HO).
71 I love to go ______ with my parents.
72 The chemical formula for chromium(III) oxide is _____.
73 The ________ was a critical battle during the global conflict.
74 We have _____ (很多) friends.
75 The __________ is a layer that protects life on earth.
76 What is the primary purpose of a compass?
A. To measure distance
B. To tell time
C. To find direction
D. To weigh objects
答案:C
77 My favorite animal is a ______ (狗) because they are friendly.
78 We enjoy _____ (picnicking) by the river.
79 My rabbit hops around the ______ (房间).
80 The chemical symbol for neodymium is ______.
81 The chemical formula for sodium benzoate is __________.
82 What is the opposite of 'happy'?
A. Joyful
B. Sad
C. Excited
D. Angry
答案:B
83 My grandma loves to cook ____ (soups).
84 Earthquakes can occur along fault lines due to ______ stress.
85 A __________ is a reaction that produces light and sound.
86 The _______ can enhance indoor spaces.
87 What do we call the main character in a story?
A. Antagonist
B. Protagonist
C. Narrator
D. Author
88 The chemical formula for ammonium chloride is ______.
89 My cousin is a great ____ (chef).
90 看图写单词，补全句子。

91 I enjoy playing with my ________ (飞行器) and imagining I am flying through the ________ (云).
92 I enjoy watching shows about my favorite ________ (玩具名称).
93 A lizard can lose its ______ (尾巴) to escape.
94 A supernova is a powerful explosion of a dying ______.
95 A __________ (花卉展览) showcases a variety of plant species.
96 The squirrel's sharp claws help it climb trees with ________________ (轻松).
97 The fall of the Roman Empire was caused by ________ (许多因素).
98 The clock is ________ on the wall.
99 She wears a ________ to school.
100 My aunt lives _____ the city. (in)。