小学上册D卷英语第2单元期中试卷(有答案)

小学上册英语第2单元期中试卷(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 main gas emitted during combustion is __________.
2.The center of the Earth is called the ______.
3.What is 2 + 2?
A. 3
B. 4
C. 5
D. 6答案:b
4. A __________ can provide insights into geological processes.
5.My aunt, ______ (我的阿姨), loves to travel and explore.
6. A ______ is a bird that swims well.
7.The dolphin communicates using _________. (声音)
8.I found a _______ (小蟋蟀) chirping in the grass.
9.My dad is a ________ (司机).
10.What do we call the system of bones in our body?
A. Muscles
B. Skeleton
C. Organs
D. Tissue答案: B
11.I enjoy building ________ (沙堡) at the beach with my family. It’s a fun ________ (活动).
12.My grandma is a wonderful __________ (谈话者) who shares stories.
13.The ________ was an influential leader in the anti-apartheid movement.
14. (Kingdom) of Mali was rich in gold and trade. The ____
15.The ancient Babylonians are known for their ________ and astronomy.
16.The __________ is a popular destination for tourists in Europe.
17.The ________ (国家公园管理) preserves nature.
18.What is the main language spoken in the USA?
A. French
B. English
C. Spanish
D. German答案: B
19.The cat's claws are sharp for _______.
20. A chemical that can accept electrons is called an ______ agent.
21.What do you use to cut paper?
A. Ruler
B. Scissors
C. Tape
D. Glue答案: B
22.What do we call a person who studies the effects of human activities on the environment?
A. Environmental Scientist
B. Ecologist
C. Biologist
D. Chemist答案: A
23.She wants to be a ________.
24.Rocks can be formed through processes like cooling, ______, and heating.
25.What is the largest land animal?
A. Rhinoceros
B. Giraffe
C. Elephant
D. Hippopotamus答案:C
26. A __________ (化学知识) is essential for understanding the world around us.
27.The chemical formula for sodium dichromate is _____.
28.They go swimming in the ___ (pool/ocean).
29.My friend enjoys playing __________ (桌游) with family.
30.The _____ (植物发展战略) can lead to sustainable practices.
31.I love to _______ (种花) in my garden.
32.I can enjoy playful moments with my ________ (玩具).
33.__________ eat both plants and meat.
34.Some _______ can be very fragrant.
35.The first emperor of China was _____.
36.I watch _______ after school.
37.The unit of measure for the amount of substance is the ______.
38.The __________ is a famous city known for its skyscrapers. (纽约)
39.The __________ (历史的线索) lead to discoveries.
40.The _____ is the study of the universe beyond Earth.
41.The main product of glycolysis is ______.
42.The trees in the _______ are tall and strong.
43.What do we call the study of the human mind?
A. Psychiatry
B. Psychology
C. Sociology
D. Anthropology答案: B
44.They are going to the _____ (公园).
45.I want to ______ (travel) to new places.
46.My dad works as a _______ (职业). 他非常 _______ (形容词).
47.__________ (分子生物学) investigates the chemical foundations of biology.
48.The sun is ___ (setting) behind the hills.
49.I can explore different cultures with my ________ (玩具).
50.What do you call a person who studies meteorology?
A. Meteorologist
B. Climatologist
C. Weather scientist
D. Atmospheric scientist答案: A
51.The chemical formula for potassium chloride is _____.
52. A ______ (刺猬) is small and covered in spikes.
53.In the 18th century, the __________ focused on reason and individualism. (启蒙时代)
54.Plants are important for our _____ (环境).
55.The __________ (环境科学) informs conservation efforts.
56. A ________ grows tall and strong in the forest.
57. A __________ is a region known for its cultural diversity.
58.The _____ (rock) is heavy.
59.What do you call a person who collects stamps?
A. Philatelist
B. Numismatist
C. Collector
D. Curator答案: A
60.The ________ (多样性) of plants in a forest is rich.
61.The process of combining two or more elements is called _______.
62.What do we call a person who travels to space?
A. Astronaut
B. Pilot
C. Cosmonaut
D. Engineer答案: A
63.I enjoy listening to ________ (音乐) while studying.
64.The seagull dives for _________. (食物)
65.The duck quacks and swims in the ______.
66.My cat likes to chase _______ (光点) on the floor.
67.I enjoy going camping with my family. We set up a ______ (帐篷) and roast marshmallows over the fire.
68.The _____ (蜜蜂) buzzes around the flowers collecting nectar. 蜜蜂在花丛中嗡嗡作响，采集花蜜。

69.The _____ (historical) records help us learn about the past.
70.Salt is made from the combination of sodium and ______.
71.The frog lives by the ______.
72.The chemical formula for bismuth subsalicylate is _______.
73.The __________ (社会结构) influences opportunities.
74.The capital of Canada is ________ (加拿大的首都是________).
75.The chameleon has a long _______ to catch insects.
76.I want to fly a _____ (kite/plane).
77.The _______ is a measure of how much solute is in a solution.
78.My little brother loves his new ____. (玩具类型)
79.The process of photosynthesis uses sunlight to convert carbon dioxide and
__________ (水) into sugar.
80.I can dive into my imagination with my ________ (玩具名称).
81. A solution that contains a small amount of solute is called ______.
82.The capital city of Vietnam is ________ (越南的首都城市是________).
83.The __________ (历史的留下) contributes to legacy.
84.My ________ (玩具名称) is an essential part of my life.
85.The cake is ________ for my birthday.
86.The bumblebee collects pollen from _______.
87. A _______ is a chemical that can change the color of indicators.
88.We have ___ (homework) tonight.
89.Star clusters can contain thousands of ______.
90.The toy is _____ (expensive/cheap).
91. A __________ is formed through the interaction of geological and biological processes.
92.I can ______ (ride) a horse.
93.My cousin has a __________ hamster. (可爱的)
94.What do you call the liquid part of blood?
A. Plasma
B. Serum
C. Hemoglobin
D. White blood cells答案:A
95.I enjoy writing letters to my ______ (亲戚). It helps us stay connected even when we’re far apart.
96.She is ___ the piano beautifully. (playing)
97.The park is ______ (near) my house.
98. A spring can store ______ energy.
99.What is the name of the fairy tale character who lost a shoe?
A. Cinderella
B. Snow White
C. Rapunzel
D. Little Red Riding Hood答案:A
100. A __________ is a type of chemical reaction that produces energy in the form of light.。