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Unit 4 Plant life
课时练习2 Speed up
一、龙龙和同学们一边参观农场一边交流。听句子，用数字1-5 给图片排序。
二、龙龙和华华在农场看到了很多有趣的景象。听对话，判断句子正(T)误(F)。
( )1. There are some workers over there.
( )2. The farmers are planting.
( )3. The farmers aren't watering the plants.
( )4. Huahua likes the big grains of rice plants.
( )5. Longlong wants to plant potato seeds on the farm.
三、这次的体验日同学们都学到了很多。根据图片或首字母提示补全句子。
1. The boy is under the tree.
2. The cat has got a .
3. Grandpa wants to grow rice plants with big .
4. Yuan Longping helps the world. I m him.
四、回去的路上，同学们在聊些什么呢？选择正确的选项补全句子或对话。
( )1. Grandpa often _______ in the fields.
A. work B. working C. works
( )2. — What is she doing
— She _______ with Longlong.
A. work B. is working C. works
( )3. Mengmeng _______ playing in the fields.
A. like B. is liking C. likes
( )4. Tiantian wants to plant potatoes. And he _______ wants to plant tomatoes.
A. to B. too C. also
五、龙龙还给大家分享了同学们在农场的照片。看照片，将句子与人物匹配。
六、聪聪在体验日结束后深感粮食的重要性，和他一起阅读关于袁隆平爷爷的绘本，判断句子正(T)误(F)。
Yuan Longping is a great scientist. He loves rice fields. Every day, he checks (检查) the rice plants. People say he is a "Rice Hero".
Yuan finds a special rice plant. It has more grains than others! Now he is teaching farmers to grow this "hybrid rice(杂交水稻)".
Farmers in many countries are using Yuan's way. They are growing lots of rice. Children are eating well.
Yuan often says, "Rice is life." Today, his love for rice is helping the world. People everywhere remember him.
( )1. Yuan Longping is a great scientist who helps grow more rice.
( )2. People call Yuan "Rice Hero" just because he makes rice fields beautiful.
( )3. Only Chinese farmers benefit from(得益于) Yuan's rice growing methods.
( )4. Yuan Longping's work helps children eat well around the world.
( )5. "The Hero of Growing More Rice" is a fitting(合适的) title for this story.
听力原文
一、1. Look! The dog is sleeping under the tree.
2. A cat is playing with a mouse in the field.
3. The rice plant has big grains.
4. A farmer is feeding chickens with rice.
5. She is a scientist. She is studying plants.
二、Longlong: Look, Huahua! There are some farmers over there. What are they doing
Huahua: They are planting.
Longlong: Are they watering the plants
Huahua: Yes, they are.
Longlong: Look! I like the big grains of rice plants.
Huahua: Yeah! I think growing plants is cool.
Longlong: Do you want to try
Huahua: Yes! I want to plant tomato seeds on the farm.
参考答案
一、31542
二、1.F2.T 3.F 4.F 5.F
三、1.sleeping 2.mouse 3.grains 4.miss
四、1.C 解析：“Grandpa”是第三人称单数，一般现在时中，动词用第三人称单数形式，故选C。
2.B 解析：问句是现在进行时(be 动词 + doing)，
答句也要用现在进行时，“She”是第三人称单数，be 动词用“is”，故选B。
3.C 解析：“Mengmeng”是第三人称单数，一般现在时中，动词用第三人称单数形式，“like” 的第三人称单数是“likes”，故选C。
4.C 解析：“also”用于句中，“too”用于句末，故选C。
五、1.B 2.C 3.A 4.D
六、1.T解析：文中提到袁隆平是伟大科学家，且他的工作助力水稻种植，让水稻增产 ，故填T。
2.F 解析：人们称他“Rice Hero”是因为他在水稻研究等方面贡献大，不是他让稻田变美，故填F。
3.F 解析：文中说 “Farmers in many countries are using Yuan’s way.”，不只是中国农民受益，故填F。
4.T解析：文中提到因袁隆平的贡献，“Children are eating well.”，可知袁隆平的贡献让儿童们吃得更好了，故填T。
5.T 解析：袁隆平致力于让水稻增产，“The Hero of Growing More Rice”契合他的事迹，故填T。
A. Diandian is reading a book under the tree.
B. Tiantian is sleeping in the field.
C. Longlong is planting rice seedlings.
D. Congcong is feeding the grains to the chickens.

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