小学上册第1次英语第4单元暑期作业(含答案)

小学上册英语第4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.The law of conservation of mass states that mass cannot be _______ or destroyed.
2.The chemical formula for calcium phosphate is ______.
3.I have a collection of _____ (stamps/coins).
4.The ________ has a long tail and likes to swing.
5.What is the capital city of Croatia?
A. Zagreb
B. Split
C. Dubrovnik
D. Rijeka
6.The cat chases _______ (光点) from a laser.
7.What is the opposite of hot?
A. Warm
B. Cool
C. Cold
D. Mild
8.What is the name of the place where you can see art?
A. Museum
B. Theater
C. Stadium
D. Park
答案:A
9.The _______ is the energy required to break bonds in a chemical reaction.
10.The chemical symbol for chlorine is _______.
11.The chemical formula for carbon dioxide is ______.
12.The kitten is ______ (curious) about the world.
13.The chameleon can change its _______ (颜色).
14.What do we call the act of making a choice?
A. Decision
B. Opinion
C. Proposal
D. Suggestion
15.Hydrochloric acid is a strong _______. (酸)
16.What do we call a person who studies the nature of knowledge?
A. Epistemologist
B. Philosopher
C. Logician
D. Mathematician
答案:A
17.Which is the fastest land animal?
A. Horse
B. Cheetah
C. Lion
D. Gazelle
答案:B
18.The chemical formula for -pentanol is ______.
19.What is the opposite of fast?
A. Quick
B. Slow
C. Speedy
D. Rush
答案:B
20.Solutes are substances that are ______ in a solvent.
21.I feel happy when my mom calls me . (当我妈妈叫我____时，我感到很快乐。

)
22.She loves ________ (drawing) animals.
23.What do we call the part of a plant that grows above the ground?
A. Roots
B. Stem
C. Leaves
D. Flowers
24.The ______ (小鸭) loves to splash in the water.
25.What is the capital of the Pitcairn Islands?
A. Adamstown
B. Bounty Bay
C. Down Rope
D. Garrison
答案:A
26.The __________ is the process by which plants convert sunlight into energy.
27.The Earth's surface is covered by diverse ecosystems, including ______ and deserts.
28.What is the capital city of Madagascar?
A. Antananarivo
B. Toamasina
C. Antsiranana
D. Mahajanga
29.小马) gallops through the meadow. The ___
30.The parakeet loves to chatter and _______ (唱歌).
31.What is the name of the famous clock in London?
A. Big Ben
B. Tower of Pisa
C. Eiffel Tower
D. Colosseum
答案:A
32.The element with the chemical symbol N is _______.
33.My sister is a ______. She loves to sing.
34.The lynx is known for its tufted _________ (耳朵).
35.My dad bought me a ________ (飞行器) kit. I built it and watched it ________ (飞).
36.The __________ (历史的多样性) reflects human experience.
37.What do you call the season when it snows?
A. Spring
B. Summer
C. Fall
D. Winter
38.The ________ (城市绿化) improves air quality.
39.The Sun's corona is visible during a total ______.
40. A substance that changes color when it reacts with an acid is called an _____.
41.I can ______ (与他人合作) on projects.
42.I like to watch ______ (nature) documentaries.
43. A bee gathers _______ from flowers to make sweet honey.
44.I want to _____ (write) a story.
45.The dog digs _____ (holes/gardens) in the yard.
46.Kinetic energy is energy of ______.
47.The chemical symbol for rubidium is ______.
48.What do we call the center of an atom?
A. Electron
B. Proton
C. Neutron
D. Nucleus
答案:D
49.An electronegative atom pulls electrons towards itself during a ______ bond.
50.The chemical symbol for tellurium is ______.
51.What do you call a group of birds?
A. Flock
B. Pack
C. Herd
D. Swarm
52.What is the name of the longest river in the world?
A. Amazon
B. Nile
C. Mississippi
D. Yangtze
53.Brazil is famous for its __________. (亚马逊热带雨林)
54.I can ________ my teeth every day.
55.The clock is ________ ticking.
56.What is the name of the famous wizard in J.K. Rowling's books?
A. Gandalf
B. Harry Potter
C. Dumbledore
D. Merlin
答案:B
57.The water is ________ (冷) in winter.
58.We drink ___ (milk) for breakfast.
59.The ________ was a key event in the history of civil rights.
60.The girl loves to ________.
61.How many players are on a basketball team?
A. Five
B. Six
C. Seven
D. Eight
答案:A
62.The __________ (历史的启迪) guides future actions.
63.What do we call the study of plants?
A. Zoology
B. Botany
C. Ecology
D. Geology
答案:B
64.The seal barks loudly on the _________. (岩石)
65.When you mix vinegar and baking soda, you get __________.
66.I think it’s great to have hobbies like _______ (爱好). They make life more
_______ (丰富).
67.Which of these is a type of tree?
A. Rose
B. Oak
C. Daisy
D. Tulip
68.The ancient civilization of Egypt is known for its ________.
69.What is the chemical symbol for water?
A. H2O
B. CO2
C. O2
D. H2
答案:A
70.The __________ (历史的回响) echoes through time.
71.What sound does a cow make?
A. Moo
B. Bark
C. Oink
D. Meow
72.I made a cool _________ (玩具车) out of recycled materials.
73.My rabbit's favorite place is under the ______ (桌子).
74.My teacher is very __________ (善于沟通).
75.What do we call a person who studies ancient civilizations?
A. Historian
B. Archaeologist
C. Anthropologist
D. Sociologist
76.Horses are often used for _________ (骑).
77.I can _____ my shoes by myself. (put on)
78. A substance that helps preserve food by preventing spoilage is called a ______.
79.What do you call a young female horse?
A. Colt
B. Filly
C. Mare
D. Foal
答案:B
80.The ant builds a ______ underground.
81.The ______ enjoys reading novels.
82.I can make a _________ (玩具机器人) that dances when I press a button.
83.What do you call a young seal?
A. Pup
B. Calf
C. Kit
D. Fawn
答案:A
84.equator) is the hottest place on Earth. The ____
85.What do you call the small, round fruit that grows on trees?
A. Apple
B. Grapefruit
C. Lemon
D. Lime
答案:A
86. A ________ (植物景观设计) can transform spaces.
87.What do you call the study of the Earth's physical features?
A. Geography
B. Astronomy
C. Biology
D. Ecology
答案:A
88. A ______ is used to measure the volume of liquids.
89.ts can survive in _____ (干燥) conditions. Some pla
90.The sun is _______ (shining) through the trees.
91.__________ (化学制剂) can enhance the effectiveness of medications and treatments.
92.What is the name of the animal that builds dams?
A. Beaver
B. Otter
C. Fox
D. Wolf
答案:A
93. A _______ (小乌龟) hides in its shell when scared.
94.My cousin is a great ____ (chef).
95.I enjoy participating in ______ (学校活动) because it allows me to meet new people and make friends.
96.What do we call a baby elephant?
A. Calf
B. Foal
C. Kid
D. Pup
答案:A
97. A chemical bond forms when atoms share or transfer ______.
98.My favorite sport is _______ (滑板).
99.What is the longest river in the world?
A. Amazon
B. Nile
C. Mississippi
D. Yangtze
100.The __________ is a large area of frozen ground found in the Arctic. (永久冻土)。