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【课堂互动探究】(25mins)
一. Read the lesson and finish “Let’s do it (课本P.27 Exercise 1)
二. Discuss the following sentences
1.Have you ever heard about any special plants ?
Hear about 意为”_______”,相当于hear of .后面可接名词,代词或动名词做宾语. Eg: I have never ______ ______ such a place.
拓展:hear from=get a letter from…=receive a letter from…(收到…的来信)
2.When something touches this plant’s leaves, they close up tightly.
close up 意为“________”,它的反义词组是”open up”它们是由动词+副词构成的短语,遵循”代中名后”的原则. Eg:1.Tom,your books are on the table. Please _______(把他们收起来).2.There is something in the box, please _______(请打开它).
3.When it comes to laughing, this tree is really funny.
When it comes to…意为”当提到; 就…而论”,其后接名词,代词的宾格或动名词. Eg: when it comes to ______ (swim), no one matches him,
4.This plant can live as long as 1500 years , so people call it a living fossil.
as long as 意为”长达”. “ living”是形容词,意为”活的,活着的”,常做定语,放在所修饰的词前,其反义词为”dead”.
拓展: alive:活着的,在世的,常做表语,也可做定语,但必须放在所修饰的词之后.
Lively: 活泼的,生气勃勃的生动有趣的.可用于修饰人或其行为动作,还可以用于修饰事物.
三. Read the lesson and finish the exercises (课本P.27:Exercise 2,3)
【当堂训练巩固】(5mins)
1.Plants and animals are l things.
2.Tom,just hold ________ (tight) to my hand and follow me.
3.Have you _____ the good news? A.heard from B.heard about C.heared of
4.The tree _______ (看起来像) a flower.
5.The door will _______ _______ (闭合) itself.
6.When it comes to __________ (plant) tree, the more trees we plant, the more beautiful our world will be.