人教新课标选修7 Unit 3 Under the sea Grammar 课件（共25张PPT）+素材 （2份打包）
U3 Grammar quiz.doc
U3P4 Grammar.ppt
　　Complete the sentences with the passive –ing form of the verbs in brackets.
　　1. Yesterday my mother couldn’t help ___________ (persuade) into buying some useless things in the store.
　　2. The plan needs ___________ (discuss) among the members of the commission before ______________ (carry out).
　　3. ________________ (not employ) by a well-known company doesn’t mean that you don’t have a bright future.
　　4. We are looking forward to _____________ (give) a chance to watch the opening ceremony.
　　5. ________________(praise) by the teacher, the little girl ran back home, happy and satisfied.
　　Complete the passage with the passive –ing form.
　　Fishing nets in the sea have become a serious problem. They may be many kilometres long with plastic balls to keep them _________ (float) on the water, and weights to hold them down on the seabed. Unfortunately, the plastic nets are impossible to see underwater. So the term to describe them is “a wall of death”. Their advantage is that they catch fish efficiently. However, they also cause danger to sea animals. First, not only target fish are caught in the net, but many other sea animals are found _________ (hang) there. Those not needed for __________ (market) are thrown away. Second, nets are in danger of __________ (cut) loose by fishermen. If a net becomes free-floating, it is moved by the tides all over the ocean. It behaves as a hidden danger, _________ (kill) all that are trapped in it. So many animals ___________ (catch) in driftnets make many think that it is necessary to have a worldwide ban on all driftnet fishing.