小学上册第1次英语第四单元暑期作业(含答案)

小学上册英语第四单元暑期作业(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.She has a new ________.
2.We can see the __________ (日落) at the beach.
3.I want to _______ a book about animals.
4. A snail can retreat into its ______ (壳) for safety.
5.The _______ (小鸦) is known for its intelligence.
6.Plants that grow in water are called ______ plants. (生长在水中的植物被称为水生植物。

)
7. A __________ is a substance formed when two or more elements combine.
8.What do we call the science of studying the universe?
A. Geology
B. Astronomy
C. Meteorology
D. Physics答案:B
9.I want to _____ (travel/go) to the beach.
10.The clock says it is ______ o'clock. (two)
11.We have ______ (许多) different cultures in our city.
12.Which word means the opposite of "happy"?
A. Joyful
B. Sad
C. Excited
D. Angry答案: B
13.The _____ (气候变化) poses risks to many plant species.
14.We enjoy ______ (fishing) at the lake.
15.When it’s ______ (刮风), we can fly kites.
16. A magnet can attract ______ (metal) objects.
17.ts have developed traits to survive in nutrient-poor ______. (某些植物已发展出特征，以在养分贫乏的土壤中生存。

) Some pla
18.The term "nonpolar" refers to molecules that do not have _______ charges.
19.What is the capital of Italy?
A. Rome
B. Venice
C. Florence
D. Milan答案: A. Rome
20.I want to learn how to _______ (滑雪).
21.I like to listen to ________ music while studying.
22.The ________ (whale) swims in the ocean.
23.The inventor created a new _____ (机器).
24. A reaction that absorbs heat is called an ______ reaction.
25.读一读，找出不同类的单词。

26. A chemical change produces new ______.
27.I see a ladybug on the ___. (leaf)
28.The sun is ______ in the sky. (shining)
29.The Earth's crust is affected by both human and natural ______.
30.The _____ (农田) is where crops are grown.
31.The owl hoots in the _______ (晚上).
32.写出所给字母的邻居。

33.The discovery of ________ has had a profound impact on environmental science.
34.My friend loves __________ (探索新的领域).
35.I have a collection of toy _____ from different countries.
36. A ____ is known for its colorful plumage and singing ability.
37.What do you call a baby horse?
A. Calf
B. Foal
C. Pup
D. Kid答案:B
38.I enjoy learning about ______ in science class.
39.What do we call the main ingredient in soup?
A. Broth
B. Water
C. Vegetables
D. Meat答案: A. Broth
40.Some stars are in binary systems, orbiting around a common _______.
41.The capital of Ireland is _____.
42.y of Versailles was signed after ________ (第一次世界大战). The Trea
43.She is studying to be a ________.
44.The ____ is a fluffy pet that enjoys playing.
45.The _____ (cacti) are adapted to dry climates.
46.They are _____ (walking) the dog.
47.The __________ (历史的激励) motivates action.
48.The __________ is a famous natural landmark in the United States. (黄石公园)
49.Listen and tick.听录音，在正确图片下的字母上打“√”。

50.The _______ has a strong smell.
51.What do you call the time when the sun goes down?
A. Sunrise
B. Daytime
C. Sunset
D. Midnight答案: C
52.The rabbit has soft ______ (毛).
53. A __________ is a reaction that produces solid precipitates.
54.How do you say "谢谢" in English?
A. Hello
B. Thank you
C. Sorry
D. Please答案: B
55.The __________ helps birds navigate during migration.
56.The ______ (阳光) is needed for photosynthesis.
57.The sky is ________ (蓝色) today.
58.The chemical symbol for hassium is _____.
59.The chemical formula for copper(II) acetate is _____.
60.He is reading a ______ (story).
61.The walrus has whiskers on its ________________ (脸).
62.The ________ was a significant event during the Vietnam War.
63.The dolphin jumps out of the _______ (水).
64.My friend is very __________ (乐观的) about life.
65. A pig loves to roll in the ________________ (泥土).
66. A ________ (园艺活动) engages communities.
67.The capital of Andorra is __________.
68.The dog is _____ (wagging/sitting) its tail.
69.The ancient Romans built aqueducts to supply ________ (水).
70. A _______ is a visual representation of a chemical reaction.
71.The chemical symbol for titanium is __________.
72.The _____ (喷雾) can help keep pests away.
73.What do you call the process of plants making their own food?
A. Photosynthesis
B. Respiration
C. Germination
D. Fertilization答案:A
74. A kitten learns to hunt by watching its ______ (母亲).
75.The chemical symbol for potassium is ______.
76. A mixture of metals is called an ______.
77.What is the capital of Estonia?
A. Tallinn
B. Riga
C. Vilnius
D. Helsinki答案:a
78. A chemical reaction can change the ______ of a material.
79. A rabbit can make great ______ (宠物).
80.__________ are used in agriculture for pest control.
81.My uncle is a __________ (工程师).
82.The rock cycle can take millions of ______ to complete.
83.The _____ (海豹) makes loud noises while resting.
84.My mom encourages me to ____.
85.We enjoy _____ (kayaking) on the lake.
86.Light travels faster in a vacuum than in _______.
87.The chameleon changes color to _________. (隐身)
88.ground Railroad helped slaves escape to ________ (自由). The Unit
89.The element with the symbol Ti is __________.
90. Wall is a significant landmark in _____ (中国). The Grea
91. A solvent is a substance that dissolves a ______.
92.The _____ (狐狸) is a skilled hunter.
93.What is the name of the activity where you run a race?
A. Competition
B. Marathon
C. Game
D. Meet答案: B
94.The doll has a pretty ________.
95.The __________ (历史的分析) brings clarity.
96.The baby is ________ in the crib.
97.My sister loves to collect ____ (stamps).
98. A rainbow is caused by the refraction of ______.
99. A rabbit loves to nibble on _______ and greens.
100.My uncle teaches me about ____.。