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Unit 4 Plant life
课时练习4 Hit it big
一、德老师需要大家帮忙整理植物标签，请将下列单词填入对应的标签里。
1. 2.
二、典典参加小小园丁活动，请根据句子内容，用数字1-4 给对应的图片排序。
First, I need to get a flowerpot.
Then, I should find some good earth.
Next, I use a watering can to water the plant.
Finally, I get a small rake (耙子) to loosen (使变松) the earth around the plant.
三、天天正在和朋友们分享他的植物观察日记，大家激烈地讨论。根据图片提示，补全天天的回答。
1. — What are you doing in Day 1
— I'm __________ in Day 1.
2. —How often do you water it
— I water it ________ ________ ________.
3. —How much sunlight does it need
— It needs ________ ________ ________sunlight.
4. — What's the plant — It's ___________.
四、在植物种植兴趣小组的交流活动中，天天和龙龙了解了向日葵的生长过程。选择正确的选项，补全短文。
We are 1. ________. We are small and brown. We love water! Today it's raining. We are 2. ________ the rainwater happily.
Now the weather is 3. ________. We feel warm! Look! We are 4. ________ short roots! Two small leaves appear on our heads.
We are getting tall every day. Now we have buds (花蕾), big green 5. ________and yellow flowers. We are sunflowers!
五、同同在植物展上分享了自己种植的草莓。阅读观察日记并完成下题。
2026.1.15
1. I plant a small black seed in my flowerpot. I water it. And it grows and grows. It is tall now. And it has nine big green leaves.
2026.2.25
2. Air, the sun and water help the plant grow. The plant grows flowers. One, two, three, four... I see seven flowers. They are beautiful and white.
2026.3.11
3. The flowers become (变成) fruits. I see seven strawberries. They are red now. The small one is under (在…… 下面) the leaves. I like strawberries very much. I will share them with my friends.
( )1. In Part 1, the strawberry plant has ______ leaves.
A. 7 B. 8 C. 9
( )2. What colour are the flowers
A. Green. B. White. C. Red.
( )3. What helps the plant grow
A. Air and the sun. B. The sun and water.
C. Air, the sun and water.
( )4. The underlined word(画线单词) "one" refers to(指) ______.
A. the strawberry B. the flower C. the seed
参考答案
一、1.stem、seed、leaf 2.wheat、cotton、grain、cabbage、lettuce
二、4132
三、1.planting
2.once a day
3.6-8 hours of
4.lettuce
四、1.B 2.E 3.C 4.D 5.A
五、1.C 解析：由 “2026.1.15” 部分中 “And it has nine big green leaves.”可知，草莓植物有9片叶子，故选C。
2. B 解析：由“2026.2.25” 部分中“They are beautiful and white.”可知，花是白色的，故选B。
3. C 解析：由 “2026.2.25”部分中“Air, the sun and water help the plant grow.”可知，空气、阳光和水帮助植物生长，故选C。
4.A解析：由 “2026.3.11”部分中 “I see seven strawberries... The small one is under(在……下面) the leaves.”可知，“one”指的是草莓，故选A。
wheat cotton stem grain cabbage seed leaf lettuce
A. leaves B. seeds C. sunny D. growing E. drinking

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