内容正文:
Unit 3 How do seeds travel
Lesson 12(课时练) 基础巩固
Review
一、根据所给单词,在横线上写一个同类词,
1. A. peanuts B. cabbages C.carrots ____________
2. A.pears B. peaches C.oranges ____________
3.A. chips B. sandwiches C.hamburgers ____________
4. A tigers B. birds C.cats _____________
5.A. stems B. roots C.seeds _____________
6. A. chairs B. desks C.tables _____________
二、将方框中的单词进行分类,将其序号填入相对应的篮子。
A. wheat B. cabbage C.potato D.cucumber E.sunflower.
F. rice G.eggplants H. lettuce I. celery J.rose
三、读句子,选择合适的单词填空
l. We can make_________ (bags/chairs) with the wood from trees.
2.I enjoy_________ (walks/walking) in a forest.
3. How can we________ (take/make) use of trees?
4. Potatoes are_________ (seeds/stems).
5. We can build houses with the_________ (wood/rocks) from trees. 能力提升
Unit
四、读句子,根据描述在横线上写出与句子内容相符的单词
1.It’s a place with many trees and other plants.What is it? __________
2.It’s a kind of vegetables.It’s round and red.It’s juicy.It’s the fruit of a plant. __________
3.It’s a kind of vegetable.It’s long and orange.It’s the root of a plant. __________
4.It refers to the act of going from one place to another. _________
5.When you want to explain something,you may give an _______to help people know about it.
五、根据图片提示,补全句子或对话,每空一词。
1.________,________,and ________ are all seeds.
2. Our________come from different parts of plants.
3. Some seeds travel________ ________.
4. Some people_______by train, and others travel by_______.
5.-How can we_______ ________ of trees?
-We can_______ ________.
六、从方框中选择合适的选项,补全对话
Mingming:1._____________A. Seeds travel in many ways. Some
travel with wind.
B. How wonderful!
C. Some seeds travel in water, and others travel with people and animals.
D. Wheat and rice are both seeds.
E. Dad, is corn a kind of seeds?
Dad: Yes, and some nuts are seeds, too.
Mingming: What else are seeds?
Mum:2._____________
Mingming: How do seeds travel, Mum?
Mum: 3.______________
Mingming:What else?
Dad:4._______________
Mingming:I see, 5._______________ 拓展训练 Goal
七、阅读短文,完成下列各题
We can find pine trees everywhere around us, Pine trees are very useful.People plant pine trees because they can make our city beautiful, In autumn, leaves of other trees become yellow and fall down, but they're always green. And they can grow in arid land(贫瘠土地). They are very strong plants and they also have long lives, Some of them can live more than one thousand years, We make use of pine trees in many ways, We can use pine trees to make furniture and we can get pine nuts, In fact(事实上),we can also use them in Chinese medicine, We use almost every part of them to fight against(对抗) different diseases(疾病).
(1) 根据短文内容,判断句子正(T)误(F)
( )l. We can only see pine trees in cities because they make cities beautiful.
( )2.We can use the wood from pine trees to make beds, desks, and chairs.
( )3. Pine trees are very helpful to us.
(二)根据短文内容,补全句子。
1. The leaves of pine trees are_______when others become________and fall down.
2. Some pine trees can live more than________years.
3.Pine trees can also be used in________ ________.
八、请根据图片提示,向大家介绍向日葵。(可从这种植物不同的部位以及各部位的功能及用途等进行说明)
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参考答案与解析
一、根据所给单词,在横线上写一个同类词
1.答案:tomatoes(答案不唯一,只要是蔬菜类单词即可 )
解析:A 花生、B 卷心菜、C 胡萝卜都属于蔬菜类,所以可填蔬菜类单词。
2.答案:apples(答案不唯一,只要是水果类单词即可 )
解析:A 梨、B 桃子、C 橙子都属于水果类,所以可填水果类单词。
3.答案:noodles(答案不唯一,只要是食物类单词即可 )
解析:A 炸薯条、B 三明治、C 汉堡包都属于食物类,所以可填食物类单词。
4.答案:dogs(答案不唯一,只要是动物类单词即可 )
解析:A 老虎、B 鸟、C 猫都属于动物类,所以可填动物类单词。
5.答案:leaves(答案不唯一,只要是植物部位类单词即可 )
解析:A 茎、B 根、C 种子都属于植物部位类,所以可填植物部位类单词。
6.答案:beds(答案不唯一,只要是家具类单词即可 )
解析:A 椅子、B 书桌、C 桌子都属于家具类,所以可填家具类单词。
二、将方框中的单词进行分类,将其序号填入相对应的篮子
1.flowers(花):E、J
解析:E 向日葵、J 玫瑰都属于花。
2.seeds(种子):A、F
解析:A 小麦、F 大米(水稻种子 )都与种子相关。
3.stems(茎):C
解析:C 土豆是植物的茎。
4.fruits(水果):G
解析:G 茄子属于果实类(在植物学分类中可归为水果类别 )。
5.leaves(叶):B、D、H、I
解析:B 卷心菜、D 黄瓜(食用部分包含叶 )、H 生菜、I 芹菜,食用部分主要是叶。
三、读句子,选择合适的单词填空
1.答案:chairs
解析:从树上获取的木材一般用来制作椅子,而不是袋子,所以选 chairs。
2.答案:walking
解析:enjoy 后接动词 -ing 形式,构成 enjoy doing sth. 结构,表示 “喜欢做某事” ,所以填 walking。
3.答案:make
解析:make use of 是固定短语,意为 “利用” ,所以选 make。
4.答案:stems
解析:土豆是植物的茎,不是种子,所以填 stems。
5.答案:wood
解析:从树上获取的是木材(wood),而不是岩石(rocks) ,所以填 wood。
四、1.答案:forest
解析:句子描述 “这是一个有许多树和其他植物的地方” ,符合森林(forest)的特征。
2.答案:tomato
解析:句子描述 “这是一种蔬菜,它圆圆的、红色的,多汁,是一种植物的果实” ,符合西红柿(tomato)的特征。
3.答案:carrot
解析:句子描述 “这是一种蔬菜,它长长的、橙色的,是植物的根” ,符合胡萝卜(carrot)的特征。
4.答案:movement
解析:句子描述 “它指的是从一个地方到另一个地方的行为” ,“movement” 有 “移动;运动” 的意思,符合描述。
5.答案:example
解析:句子描述 “当你想要解释某事时,你可以给出一个( )来帮助人们了解它” ,“give an example” 是 “举个例子” 的意思 ,符合语境。
五、根据图片提示,补全句子或对话,每空一词
1.答案:Wheat; corn; rice
解析:图片展示了小麦、玉米和大米,它们的籽都是种子,且首字母需大写 。
2.答案:foods
解析:图片呈现了多种食物,此句表示 “我们的食物来自植物的不同部位”.
3.答案:with wind
解析:图片显示种子在水中,“with wind” 表示 “在风中” ,符合 “一些种子在风中传播” 的语境。
答案:travel; plane
解析:图片有火车和飞机,前半句表示 “一些人乘火车出行”,travel 表示 “出行;旅行” ;后半句 “by plane” 表示 “乘飞机” 。
答案:make use; build houses
解析:“make use of” 是固定短语,意为 “利用” ;图片显示用树木建造房屋,“build houses” 表示 “建造房屋” 。
六、从方框中选择合适的选项,补全对话
1.答案:E
解析:根据爸爸的回答 “Yes, and some nuts are seeds, too.” 可知,明明应是问了关于某种东西是否是种子的一般疑问句,E 选项 “Dad, is corn a kind of seeds?” 符合语境。
2.答案:D
解析:明明问 “还有什么是种子”,D 选项 “Wheat and rice are both seeds.” 回答了还有小麦和大米是种子,符合逻辑。
3.答案:A
解析:明明问 “种子如何传播” ,A 选项 “Seeds travel in many ways. Some travel with wind.” 回答了种子传播的方式,符合题意。
4.答案:C
解析:明明问 “What else?”(还有呢?) ,C 选项 “Some seeds travel in water, and others travel with people and animals.” 进一步补充了种子传播的方式,符合语境。
5.答案:B
解析:前面了解了种子传播等知识后,B 选项 “How wonderful!”(多么奇妙啊!)表达明明的感叹,符合对话逻辑。
(一)根据短文内容,判断句子正(T)误(F)
1.答案:F
解析:短文中说 “We can find pine trees everywhere around us”,表明松树在很多地方都能见到,并非只能在城市看到,所以该句错误。
2.答案:T
解析:文中提到 “We can use pine trees to make furniture” ,床(beds)、书桌(desks)和椅子(chairs)都属于家具,所以可以用松树木材制作,该句正确。
3.答案:T
解析:短文讲述了松树可美化城市、制作家具、获取松子、用于中药对抗疾病等,对我们很有帮助,该句正确。
(二)根据短文内容,补全句子
1.答案:green; yellow
解析:由文中 “In autumn, leaves of other trees become yellow and fall down, but they're always green.” 可知,当其他树叶子变黄掉落时,松树叶子是绿色的 。
2.答案:one thousand
解析:从 “Some of them can live more than one thousand years” 可知,一些松树能活一千多年。
3.答案:Chinese medicine
解析:依据 “we can also use them in Chinese medicine” 可知,松树也可用于中药。
八、范文:
I like sunflowers.Sunflowers have five parts.They are seeds,the stem,leaves,roots,and flower.Seeds grow up to be plants.Roots hold the plant in the ground.The stem carries food and water to the leaves.Leaves make food for the plant.Flower make seeds.
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