探究点1 pick up的用法
pick up意为“拿起；举起”。pick up的宾语有两种：

Please pick up the paper/pick the paper up.
请把那张纸捡起来。
I picked it up and handed it to a policeman.
我把它捡了起来，交给了一个警察。
情境应用
1. Will you all your toys? (捡起)
2. Look at these books on the floor! . (捡起它们)

1. pick up
2. Pick them up

探究点2 cut down的用法
cut down是固定搭配，意为“砍倒；减少”。cut down的宾语是名词时，可位于两词之间，也可位于down之后。宾语是代词时，只能位于两词之间。
They are going to cut down the trees/cut the trees down.
他们打算砍倒这些树木。
They say they love trees, but still cut them down.
他们说他们喜欢树，但仍然砍倒了它们。
情境应用
1. If we too many trees, the forest will disappear. (砍倒)
2. Your article is too long. Please to about 1,000 words. (把它删减)

1. cut down
2. cut it down

探究点3 辨析too many, too much与much too

Don't eat too many sweets. 不要吃太多的糖果。
Using too much milk can't make a cake.
用太多牛奶做不成蛋糕。
My cousin is much too heavy because he often eats too much fast food.
我表弟太胖了，因为他经常吃太多的快餐。
情境应用
1. Don't give those plants water. (太多)
2. I don't buy that watch because it is expensive. (太)
3. There are books in his room. (太多)

1. too much
2. much too
3. too many

探究点4 辨析be made of, be made from, be made in, be made into与be made by


情境应用
用适当的介词填空
1. The delicious mooncake was made my mother.
2. Our food was made the fast food restaurant.
3. The top of the table is made glass.
4. Most paper is made wood.
5. The fruit can be made juice.

1. by
2. in
3. of
4. from
5. into