2．The girls called out their names in turn.

　　3．Her sudden arrival prevented him from going (go) out.

　　4．It is undecided whether we will accept his offer about the plan.

　　5．WeChat makes it possible for us to live more conveniently.

　　6．It remains to be seen whether it will do us harm or good.

　　7．We did our best to cheer him on when he was about to give up.

　　8．If you go on working like that, you will break down sooner or later.

　　9．He is so clever that he worked out the problem in such a short time.

　　10．What he said is of great importance to all of us.

　　Ⅱ.补全句子

　　1．If you have questions, you'd better solve_them_in_time.

　　如果你有问题，你最好及时解决掉。

　　2．They, in_their_turn,_gave some advice for the plan.

　　他们接着为这项计划提了一些建议。

　　3．He wears sunglasses to protect_his_eyes_against/from the strong sunlight.

　　他戴墨镜保护眼睛使其免受强烈的阳光的伤害。

　　4．These scientists have_been_puzzling_about/over how to solve the environmental problem.

　　这些科学家一直苦思如何解决环境问题。

　　5．It_was_a_pity_that you didn't go to the talk.

　　很遗憾你没去听报告。

　　6．Cheer_up！Your troubles will soon be over.

　　振作起来吧！你的烦心事总会过去的。

　　7．Li Ming's mobile phone looked just the same as Zhang Hua's, but it cost twice_as_much_as_his.

　　李明的手机看起来和张华的一样，但价格是他的两倍。

　　8．You've made as_many_mistakes_as_I_have.

　　你犯的错误和我犯的一样多。

　　二、勤练高考题型，多练自能生巧

　　Ⅰ.阅读理解

　　Satellites are an important part of our ordinary lives.For example, the information for weather forecasts is sent by satellite.Some satellites have cameras which take photographs of the Earth to show how clouds are moving.Satellites are also used to connect our international phone calls.