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选择性必修二英语《Unit 5 A delicate world》Period 2 Using language精品课课件
Unit 5 A delicate world
Period 2 Using languages
a. No visitors would think it surprising that the island is a UNESCO World Heritage Site.
b. No visitors would think that island being a UNESCO World Heritage Site is surprising.
1. What does “it” refer to in sentence (a) ?
In sentences (a) refers to “that the island is a UNESCO World Heritage Site”
c. Experts felt it necessary to come up with a plan to remove all the rabbits from the island.
d. Experts felt to come up with a plan to remove all the rabbits from the island was necessary.
2. What does “it” refer to in sentence (c) ?
In sentences (c) refers to “to come up with a plan to remove all the rabbits from the island ”
3. What is the difference between the sentences in each group?
In the 1st group,
the object of the 1st sentence is replaced by “it”, while
In the 2nt sentence, the object clause is in the position of the object.
In the 2nd group,
the object of the 1st sentence is replaced by “it”, while
in the 2nd sentence, the infintive is in the position of the object.
1. This incident made it clear that the rat, mouse and rabbit problem needed solving once and for all.
2. ...but we humans owe it to the island to give it a happy ending.
Notes: