ahead of

　　1．Thanks to your help, we accomplished the task ahead_of schedule.

　　2．In order to reach this limit, a_number_of technical problems will have to be solved.

　　3．After the bell rang, the pupils walked out of the classroom in_turn.

　　4．I had forgotten the date of the battle so I referred_to a history book.

　　5．Drive your car slowly or it will be beyond_your_control.

　　6．I don't look back. I always have plenty of reasons to look_ahead!

　　7．Too many cars and factories also lead_to global warming.

　　8．The government has taken_action to preserve these traditional customs.

　　Ⅳ.课文语法填空

　　Scientists have reached consensus 1.that human beings are causing global warming. They claim that it 2.is_seen (see) as a danger and is relevant 3.to our lives. Global warming refers to an average increase in the Earth's temperature that, in turn, 4.leads (lead) to climate change. Over the last 100 years, plenty of carbon dioxide goes 5.into the atmosphere every year and the temperature 6.has_increased (increase) by 1°F. And this will cause 7.terrible (terribly) climate changes. Governments all over the world have a 8.responsibility_ (responsible) to take action to prevent this 9.from going on. And a lot of things can be recycled 10. to_save (save) natural resources.

　　Ⅴ.串点成篇微表达

　　从前一位母亲和她的儿子迷了路困在了(be trapped in)大山中。更糟糕的是，这时一只狼出现在他们面前，他们一下子不知如何是好。狼离他们越来越近。突然，这位母亲抓住了一根木棍勇敢地站在儿子的前面(ahead of)。她用木棍威胁(threaten)狼，狼只得离开。我们从这个故事可知，母亲在危险面前敢于献出生命来救她的儿子(sacrifice ... to ...)。可是现在许多人(a number of)只注重金钱，不尊重他们的母亲甚至谴责(condemn)他们自己的母亲。我认为政府应当采取措施(take action)提倡(advocate)为我们的母亲做些事情。

　　Once_upon_a_time,_a_mother_and_her_son_lost_their_way,_who_were_trapped_in_a_big_mountain._What_was_worse,_a_wolf_turned_up_at_that_time,_and_they_didn't_know_what_to_do_at_a_loss._The_wolf_came_to_them_nearer_and_nearer._Suddenly_the_mother_seized_a_stick_and_stood_ahead_of_her_son_bravely._She_threatened_the_wolf_with_the_stick,_so_the_wolf_had_to_go_away._From_the_story,_we_learn_that_a_mother_can_sacrifice_her_life_to_save_her_son_in_face_of_danger._However,_a_number_of_persons_concentrate_on_money,_not_showing_respect_for_their_mothers_and_even_condemn_their_own_mothers.I_think_the_government_should_take_action_and_advocate_doing_something_for_our_mothers.

　　二、勤练高考题型，多练自能生巧

　　Ⅰ.完形填空

In the past, man did not have to think about the protection of his environment. There were