小学上册O卷英语第3单元期末试卷(有答案)

小学上册英语第3单元期末试卷(有答案)
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.The chemical symbol for gadolinium is _____.
2.The chemical structure of DNA consists of ______ chains.
3. A __________ is a natural occurrence that can reshape the landscape.
4.The atomic mass of an element is the average mass of its ______.
5.I have a special box where I keep my favorite ________ (玩具名).
6.The _______ (鲸鱼) breaches the surface.
7.In geography, a __________ is a large landmass.
8.What is the main function of the heart?
A. To filter blood
B. To pump blood
C. To digest food
D. To produce energy 答案: B
9. A rabbit has long ______ (耳朵) and is very cute.
10.What do you call a person who studies the interactions between organisms and their environment?
A. Ecologist
B. Biologist
C. Geologist
D. Chemist答案: A
11.The teacher gave us a ______ (project) to do.
12.Fossil fuels are a major source of ________ energy.
13.I enjoy ______ (playing) video games.
14.The boy likes to play ________.
15.We visit the ______ (农场) to learn about agriculture.
16.The capital city of Norway is __________.
17.What is the capital of the United States?
A. New York
B. Washington, D.
C. C. Los Angeles
D. Chicago答案:b
18.The garden is filled with lovely _______ that cheer me up.
19.Chemical symbols are used to represent ______.
20. A ______ is often seen in gardens.
21.What do we use to tell time?
A. Ruler
B. Clock
C. Scale
D. Compass答案:B.Clock
22. A mixture can be separated by physical _______.
23.The capital of Iceland is _____.
24.The __________ Ocean is located between Africa and Australia.
25.What is the capital of Italy?
A. Rome
B. Venice
C. Florence
D. Milan答案: A
26.My favorite thing to do on a rainy day is __________.
27.This ________ (玩具) fuels my creativity.
28.The cat loves to nuzzle its _______.
29.We are going to the ___. (circus)
30. A hamster is a small ______.
31. (25) is known for its rich biodiversity. The ____
32.My brother is a great _____ (歌手).
33.My dog loves to fetch the ______ (球).
34.The chemical symbol for zinc is _______.
35.What do you call the study of living things?
A. Biology
B. Physics
C. Chemistry
D. Geography答案: A
36. A ______ can carry heavy loads.
37.The capital city of Vietnam is ________ (河内).
38.The _______ can attract various pollinators.
39.The sunflowers turn toward the _______ during the day.
40.The ______ (气味) of flowers is delightful.
41.When I meet someone important, I say, "Nice to meet you, __." (当我遇到重要的人时，我会说：“很高兴见到你，。

”)
42.The rabbit hops over the ______.
43.My brother always helps me ____.
44.The Earth’s shape is not a perfect sphere; it is an ______.
45.Bees help by making _______ for us to eat.
46.The sandwiches are ___ (fresh/old).
47.If I could have any pet, I would choose a ______. This animal is known for being very ______ and ______. I believe it would make a great companion for me.
48.My sister likes to ______ (唱歌).
49. A __________ is an area of land dedicated to wildlife.
50. A solubility curve shows how the amount of solute affects _______.
51.What do we call the person who teaches students?
A. Doctor
B. Teacher
C. Chef
D. Engineer答案: B
52.I like to ______ my grandparents during holidays. (visit)
53.The ________ (健康生活方式) benefits everyone.
54.What do you call the act of reading aloud to someone?
A. Telling
B. Reciting
C. Narrating
D. Discussing答案: C. Narrating
55. A pure substance cannot be separated into simpler _____ (substances) by physical means.
56.What do you wear on your feet?
A. Hat
B. Gloves
C. Shoes
D. Scarf答案: C
57.The chemical formula for glucose is _____.
58.What is 9 - 4?
A. 5
B. 6
C. 3
D. 7答案:A 5
59.The sun is _______ (shining) on the water.
60.The capital of Malta is _______.
61.My dad, ______ (我爸爸), loves to tell jokes.
62. A solution that has a low concentration of solute is called ________.
63.__________ are substances that increase the rate of a reaction.
64._____ (sprouting) seeds need warmth and moisture.
65.The ______ (种植) of flowers is fun.
66.The __________ (土壤) should be rich in nutrients.
67.The ________ (生态教育课程) teaches sustainability.
68.Which animal says "meow"?
A. Dog
B. Cat
C. Cow
D. Sheep答案: B
69.I enjoy learning about space and the ______ (行星). It fascinates me to think about the universe.
70.What is the name of the famous ancient city in Greece?
A. Athens
B. Sparta
C. Delphi
D. Corinth答案:A.Athens
71.The smallest unit of an element is called an ______.
72.We have a ______ (丰富的) curriculum that includes arts and sciences.
73. A _______ is a good choice for beginning gardeners.
74.小鸟) builds nests in spring. The ___
75.My cousin is a great __________ (运动员) in track.
76.The __________ (万里长征) was a significant retreat by the Red Army.
77.What do we call the process of making something from raw materials?
A. Recycling
B. Manufacturing
C. Distributing
D. Shipping答案: B
78.The ________ (气候适应性) of plants is fascinating.
79.My name is . (我叫)
80. A __________ (化学职业) offers diverse opportunities in various fields.
81.The __________ (气象学家) studies weather patterns.
82.She likes ________ (reading) books.
83.Planets are divided into inner and outer based on their ______.
84.The _____ of a planet determines its seasons.
85.I enjoy taking photos of the __________ during autumn. (风景)
86.He is playing in the ___. (sandbox)
87.The _____ (树木) provide shade on hot days.
88.The ______ (气味) of fresh grass is delightful.
89.The _______ (The Trail of Tears) was the forced relocation of Native Americans.
90.The baby is _______ (smiling).
91.I enjoy ______ in my free time. It allows me to express my feelings and creativity. Sometimes, I like to ______ with different colors and styles. My favorite materials to use are ______ and ______.
92.The lynx hunts silently in the ________________ (森林).
93.My teacher has a ______ (鹈鹕) that catches fish.
94.What is the capital city of Norway?
A. Oslo
B. Stockholm
C. Copenhagen
D. Helsinki答案:A.Oslo
95.I enjoy painting my ________ (玩具名称) different colors.
96.My favorite season is ______.
97.The symbol for platinum is _____.
98.What is the name of the famous bear in the cartoon?
A. Paddington
B. Winnie the Pooh
C. Yogi
D. Baloo答案:B
99.The moon is ___. (full)
100.The dog loves to chase a ______.。