Please help me with the questions for the second volume of the third grade, any subject.

Let me state the authenticity of this. I don’t know whether it is scientific or not. I only found mock exams.

1. Basic knowledge

1. Read Pinyin , write Chinese characters.

lónɡ zhònɡ jiàng lín xuán ɡuà yòu zhì ào mì

( ) ( ) ( ) ( ) ( )

yòu lǎn pū tonɡ yě liàn pēn huǒ pí juàn ( ) ( ) ( ) ( ) ( )

2. Group words.

Dao ( ) Brigade ( ) Duan ( ) Spot ( )

Yi ( ) Xuan ( ) Rui ( ) Ban ( )

zǎi ( ) zhēnɡ ( ) xuè ( )

zai earn blood

zài( ) zhènɡ ( ) xiě ( )

3. Put a check mark under the correct pronunciation.

Naked (lù lòu) Childish (zhú zhuō) Uncontrollable (jìn jīn) Silent (yā yá)

. . . .

Red Tongtong (tōnɡ tónɡ) admonition (zhū shǔ) submerged (méi mò) situation (chǔ chù)

. . . .

4. Write sentences according to the pattern.

Example: Dandelion flowers are like our palms, which can be opened and closed.

Like , .

Example: Without the sun, there would be no beautiful and lovely world of ours

With the sun, there would be no beautiful and lovely world of ours

Without mother every day Without hard work, our family would not have a happy life.

5. Fill in the appropriate words in the brackets

( )’s spring ( )’s hard work ( )’s time flies ( )

( )’s small river ( ) Write things well ( )

6. Write as required

Antonyms: Praise----( ) Dark----( ) Hesitation---- ( )

Synonyms: exquisite----( ) Gaze----( ) Beautiful----( )

7. Choose the correct explanation of the dotted words

1. She wants to go to other countries while people are sleeping. ( )

.

A Use (opportunity, time)

2. The teacher said a few words to Yan Yuese. ( )

.

A. Peace, relaxation B. Harmony, harmony C. End of war or dispute

3. There are willows and peach trees in the lake reflection. ( )

.

A. Turn the upright thing horizontally B. Replace, change C. The direction, order, and position are reversed D. Return

2. Reading Understanding:

(1)

Looking back at the 21st century, our only home - the earth - has become riddled with holes and overwhelmed due to environmental pollution. . Recalling the floods in China's Yangtze River, frequent typhoons, drying up of the Yellow River, red tides in large rivers, and sandstorms in Beijing, etc. We can't help but ask: "What happened to our earth?" Nature is taking revenge on humans, and the earth is crying. Protect the environment, save the earth, let us all care about environmental protection.

1. What examples are given in the passage to illustrate the importance of environmental pollution? Please use "------" to draw it

2. Facing the crying earth, what questions do people have? Please write below. (2) Beautiful Bridge

The rain stopped, and there was a beautiful bridge in the sky.

Dad, if I walk to the bridge with your kettle and sprinkle the water, wouldn’t I be making it rain? I sprinkle the rain on the orchard on the mountain, so you don’t have to carry water to water it. Are you happy?

Mom, if I take the round mirror you use to comb your hair and walk to the bridge, isn't there an extra moon in the sky? Are you happy when I comb your hair with the moon shining on it?

Brother, if I tie you to the swing on the tree in front of the door and hang it on the bridge, and I sit on the swing and swing back and forth, won’t my floral skirt turn into a colorful cloud and float over? Float away? Are you happy to see it?

1. The "bridge" in the first nature refers to:

2. Do the two "moons" in the third nature have the same opinions? If they are different, what do they refer to?

3. Imitate the natural paragraphs 2, 3, and 4, starting with "sister" and write a paragraph.

3. Accumulation and application

1. In the next twenty years, I ( ). ( ) I know that people can never beat time. ( ) You can run one step faster than before. If you work harder, you can sometimes run several steps faster. Although those steps are ( ), their purpose is ( ).

2. If you wanted to express your love and gratitude to your mother, which poem would you choose? ( )

If you wanted to express your praise for friendship, which poem would you choose? ( )

3. Complete the following words and sentences.

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The sunset is rouge red, ( )

( ), and the clouds rise over the mountains.

Sun Wukong causes havoc in the Heaven--------- ( )

4. Exercises

Which text do you like best this semester? Write about why you like it. Do it: write clearly what you want to express, make sentences fluently, and avoid typos. The word count is around 300 words. Science:

1. Fill-in-the-blank questions: 30

1. Through observation, we found that when seeds germinate, they first sprout ( ), and then grow stems and leaves; the roots of plants grow toward ( ), and the root growth rate is ( ).

2. Animals in nature have life cycles, and they all go through four stages: ( ), growth and development, ( ), and death.

3. The commonly used temperature unit is ( ), and the symbol is ( ). We often use ( ) to measure the temperature of an object.

4. A magnet can point to the north direction. The magnetic pole of the guide is called ( ) and is represented by ( ); the end pointing to north is called ( ) and is represented by ( ).

5. When the weather clears after the rain, the accumulated water on the ground dries up ( ) phenomenon; dew appears on the grass blades in the morning ( ) phenomenon.

6. Known as the world's earliest "compass" ( ), it is one of the four great inventions in ancient my country.

2. True or False Questions: 20

( ) 1. The life of a silkworm starts from an egg, and a silkworm egg is a life.

( )2.8 degrees Celsius can be written as ---8℃.

( ) 3. Water vapor is gaseous water, dew is liquid water, and frost is solid water.

( ) 4. Use an ordinary thermometer to measure the water temperature. When reading, the thermometer's bubble cannot leave the water being measured.

( ) 5. After a magnet is broken into two pieces, only one magnetic pole remains in each piece.

( ) 6. The green leaves of plants can produce the nutrients they need to grow.

( ) 7. The three forms of water in nature can be transformed into each other.

( ) 8. You can use a thermometer to measure the temperature of water, or you can use a thermometer to measure the temperature of water.

( ) 9. All animal life cycles are the same.

( ) 10. In experiments to detect which objects a magnet can attract, the greater the number of detected objects, the more reliable the results.

3. Multiple choice questions: 20

1. The life of silkworm starts from ( ).

A. Ant silkworm B. Silkworm moth C. Egg

2. Among the following animals, the one that is directly born from the mother is ( ).

A. Dog B. Silkworm C. Snail

3. Which of the following cannot speed up the evaporation of water ( ).

A. Blow with wind B. Make the air moist C. Heat the water

4. Maglev trains use the properties of magnets ( ) to levitate on the track.

A. Like poles repel each other B. Different poles attract each other C. Magnetic

5. In order to observe a more accurate temperature, ( ) should be used during observation.

A. Looking straight B. Looking down C. Looking up

6. In summer, you can often see "white steam" around popsicles, which is ( ).

A. The water vapor around the popsicle

B. The water vapor in the popsicle turns into water vapor

C. The water vapor around the popsicle cools and forms small Water drop

7. Most of the nutrients needed for plant growth are ( )

A. Made by oneself B. Absorbed from the soil C. Absorbed from the air

8. Compasses are made based on the properties of magnets ( ).

A. Can attract substances such as iron. B. Can indicate the north-south direction. C. Like poles repel each other

9. Which of the following animals will undergo metamorphosis in their lifetime is ( )

A, chicken B, cat C, butterfly

10. Wipe the blackboard with a damp cloth. After a while, the water dries up. This is ( ) phenomenon.

A. Evaporation B. Cooling C. Condensation

4. Picture-filling questions: 12

1. The life of silkworm 2. Temperature

5. Experimental research questions: 18

1. There is a bar magnet with no magnetic poles marked. How many methods can you use to determine the north and south poles of this magnet? Please write or draw the method of detecting and judging the south and north poles of a magnet. (At least two) (6 points)

2. A student continuously measured the temperature of a cup of hot water in the laboratory and obtained the following data:

Time starts 1 minute 2 Minutes 3 minutes 4 minutes 5 minutes 6 minutes 7 minutes

Temperature (°C) 78 76 74 72 70 68 66 64

(1) How does the water temperature change? (2 points)

(2) What does the change in water temperature indicate? (2 points)

(3) If the temperature of the laboratory where this student is located is 25°C, then what is the approximate temperature of this glass of water after 1 hour? (2 points)

3. Observe the little mouse in the glass cover. Think about it. If there is no air circulation in the glass cover, will the little mouse be suffocated to death in a short time? Please write your explanation. (6 points)