小学下册B卷英语第三单元真题试卷(含答案)

小学下册英语第三单元真题试卷(含答案)
英语试题
一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)
1.I love to ______ (分享) my experiences with others.
2.The _____ (树叶) change color in the fall.
3.I like to help my dad ________ (修理) things.
4.We will _______ (visit) the science museum.
5.My mom makes the best _____ (soup/salad).
6.I enjoy _____ (reading/watching) movies.
7.The main component of bones is ______.
8.The ancient Romans created a system of ______ (道路) for travel.
9. A chemical reaction that produces hydrogen gas is called a ______ reaction.
10.The __________ is an area of high elevation. (高原)
11.I saw a _____ (兔子) nibbling on a carrot.
12.I often help my parents ________ (做饭) on weekends.
13.I enjoy showing my friends my newest ____. (玩具名称)
14.The __________ (历史与记忆) shape national identities.
15.The ____ has bright feathers and sings sweetly.
16.The _______ (The fall of the Berlin Wall) marked the end of Communist control in Eastern Europe.
17.Cleopatra was the last active ruler of _______.
18.We have to protect our __________ (环境).
19.The process of heating a solid to produce a gas is called _______.
20.What do we call a young ant?
A. Antling
B. Larva
C. Pup
D. Egg答案:rva
21.Planting flowers can attract ______ (蜜蜂) to your garden.
22.What do we call a large, round object that orbits a planet?
A. Star
B. Satellite
C. Comet
D. Asteroid答案:B.Satellite
23.The __________ (历史的聚焦) sharpens our lens.
24.The dog loves to dig in the ______.
25.My cousin loves to __________ (写作) stories and poems.
26.What is the process of water turning into vapor called?
A. Condensation
B. Evaporation
C. Precipitation
D. Filtration答案:B
27.The pH of lemon juice is typically ______.
28.I have a new ___. (computer)
29.I see a __ in the garden. (tree)
30.Many plants are ______ (多年生) and return each year.
31. A __________ is a large area of trees and wildlife.
32. A __________ is formed by the interaction of water and sediment over time.
33.The skunk is known for its strong ________________ (气味).
34.I see a _____ rainbow in the sky. (colorful)
35.The flowers smell _____ (good/bad).
36.My favorite _________ (玩具) is one that makes funny noises.
37.I want to _____ (learn) about planets.
38.What is the primary color that mixes with black to create gray?
A. White
B. Red
C. Blue
D. Yellow答案:A
39.Astronomers classify galaxies based on their _______.
40. A ______ (温室) extends the growing season for many plants.
41.ts can grow in ______ (极限) conditions. Some pla
42.I like _____ (to eat/to drink).
43.We will _______ a big celebration.
44. A reaction that produces carbon dioxide and water is known as ______ combustion.
45.The _____ (橡树) is very strong.
46.I enjoy making ________ (饼干) during the holidays.
47.I have one ________ and two cats.
48.Breathing in oxygen is essential for ______.
49.The squirrel collects _______ (坚果) for winter.
50.The __________ is a region known for its unique traditions.
51.The __________ (历史的对话) promotes understanding.
52.My favorite game is _____ (chess/football).
53.What is the name of the president of the USA?
A. King
B. Prime Minister
C. Mayor
D. President答案: D
54. A pelican catches fish with its ________________ (喙).
55.My pet ______ (狗) loves to run and play.
56. A __________ can often be found building dams in rivers.
57.My sister is a ______. She loves to engage in community service.
58.Solar energy is renewable because it comes from the _______.
59.We have a ______ (丰富的) schedule filled with activities.
60.I saw a ________ at the pet shop.
61.The ancient Romans built extensive ________ (道路系统).
62.The garden is _______ (充满生机的)。

63.小骆驼) can go for days without water. The ___
64.My brother is _______ (在看电视).
65.She plays the ______ (piano) very well.
66., I feel _______ (情感) when I study. But I know that I can always ask for _______ (帮助). Sometime
67.小猫) stretches in the sun. The ___
68.What is the name of the famous monument in Washington, D.C.?
A. Lincoln Memorial
B. White House
C. Capitol Building
D. Statue of Liberty答案: A
69.I always ______ my teeth after meals.
70.The chemical symbol for yttrium is __________.
71. A chemical reaction often involves a change in energy and ______.
72.My sister is very __________ (好学的) and curious.
73.The Earth's core is made mostly of iron and ______.
74.I enjoy riding my ______ (自行车) along the beach.
75. A geyser is a hot spring that erupts with water and steam at ______ intervals.
76.I like to _______ (travel) to new places.
77.The bird is _____ (singing).
78.The playground is ________ (安全).
79. A _____ is made up of two or more different atoms bonded together.
80.My pet dog is very __________. (可爱)
81.Christopher Columbus discovered America in _____.
82.What is the capital of Canada?
A. Toronto
B. Ottawa
C. Vancouver
D. Calgary答案: B
83.Which of these animals can be found in the Arctic?
A. Lion
B. Penguin
C. Polar bear
D. Giraffe答案: C
84.There are many __________ (民族) in our country.
85. A flamingo stands in shallow ________________ (水).
86.Which of these is a type of cheese?
A. Cheddar
B. Wheat
C. Rice
D. Potato答案:A
87. A __________ (气相色谱) separates and analyzes compounds in the gas phase.
88.I saw a ________ in the sky.
89.The smell of certain flowers can evoke strong ______. (某些花的香气可以引发强烈的情感。

)
90.My brother is a ______. He wants to be an astronaut.
91.The __________ (历史的情感纽带) unite communities.
92. A ______ can carry heavy loads.
93.What do we call the visible part of a plant that produces flowers and fruits?
A. Stem
B. Leaf
C. Root
D. Shoot答案: D
94.My favorite dish is ______ (意大利菜).
95.What is the opposite of 'happy'?
A. Sad
B. Joyful
C. Angry
D. Excited答案: A
96.I enjoy ______ (与朋友一起) going to concerts.
97.I love going to the ______ (图书馆) because it's a quiet place to read and study. There are so many ______ (书籍).
98. A ____ can often be found lounging in the sun.
99.The equator runs through ________ (赤道穿过________).
100.In a chemical reaction, reactants are transformed into ______.。