12ppt.ppt

1、花（flower）,叶（leaves）,茎（stem）,根（root）,What kind of plants do you want to grow?,蝴蝶兰 栀子花,仙人掌 藤本植物,灯笼花 绣球花,多肉 牵牛花,1.The new words,agriculture n. 农业，农学 seed n.种子 pot n. 盆，壶 sprout v.发芽 bud n.芽，苞 v.发芽 stem n.茎，干 carefully adv.仔细地 yard n.院子,2.The new phrases,at the top of 在中间 a flower bud 花骨朵 look after 照顾，

2、照看,课文阅读,教材解读 1.Agriculture is all about growing plants and raising animals for food. 农业就是通过种植植物和饲养动物来获取食物。 raise：及物动词“饲养”，还有“升起，提出，募集”等意思。 例:（1）My mother raised many fishes. 我妈妈饲养了许多鱼。 （2）She raised a good idea. 她提出一个好主意。,2.Now,something new is growing at the top of the stem. 现在在茎的顶部长出了新的东西。 somethi

3、ng是不定代词,“某事，某物”，相当于第三人称单数，那么谓语动词也应为单数形式。 例：Something is wrong with his computer. 他的计算机出毛病了。,3.Later, the flower will become a head,and the head will turn into seeds. 后来，花变成头部，头部会变成种子。 turn into：“变成”。 例：Water can turn into ice. 水可以变成冰 turninto：“把变成”。,4.Im going to look after my plant carefully. 我会小心地

4、照顾我的植物。 look after：照顾，照料,相当于 take care of，后面接的宾语既可以是人,也可以是物。after 在这里是介词, 后面可接名词或者代词。 【相关知识点】 (1)look for寻找。 He is looking for his keys. 他正在找他的钥匙。 (2)look like看起来像。 She looks like her mother. 她看起来像她的妈妈。 (3)look over仔细检查。You must look over your paper. 你一定要仔细检查你的试卷,植物的成长过程,Practice,1.I am going to loo

5、k after my plant . A. care B. careful C. carefully D. careless 2.No one at home,so my mother has to herself. A. look for B. look up C. look around D. look after,仔细地,寻找,环顾四周,查阅,照顾,将要，打算,3.They can watch farther (在顶部) the mountain.,at the top of,adj. 更远的 (far的比较级),4.I will cover it (当天冷的时候).,when the weather is cold,1.