4．When I turned over the book I came_across an old bookmark.

　　5．I searched the whole room for the lost key, but in_vain.

　　6．We are determined to win the game at_all_costs.

　　7．When the teacher came in, she opened her book at_random and started reading.

　　8．If it is not in_use,_I'd like to borrow it.

　　Ⅳ.课文语法填空

　　Due to better equipment, training and diet, the records have been broken, but recently, improvements 1.have_begun (begin) to slow down.Some experts predict a ceiling for many events.In order to enhance performance, some athletes take the drugs which can get people more excited and 2.energetic (energy) than normality and which are 3.originally (original) developed to help people with illnesses. 4.Taking (take) these drugs is known as "doping" and although they improve performance, they also cause serious health problems in later life for those 5.who abuse them.

　　The Olympic spirit - the spirit of competition which emphasises taking part rather than winning - has been violated by the desire 6.to_succeed (succeed) at all 7.costs (cost). So the sports world does not tolerate 8.doping (dope) as it is a fundamental form of cheating. However, it appears as if all efforts are 9.in vain.

　　Anyway, the fight will and must fiercely go on and we all hope the word "hero" won't lose 10.its meaning.

　　Ⅴ.串点成篇微表达

　　起初，李华的父母反对(be opposed to)她的婚姻，因为他们不能容忍(tolerate)她嫁给一个外国人。因此，他们试图说服她放弃，但是却徒劳一场(in vain)。李华无论如何(at all costs)都要坚持自己的选择，但她不想为此违背(violate)父母。她寻找到了(seek for)一个办法，让她的父母相信她不是胡乱(at random)决定的，最后她成功了(make it)。现在他们都生活得很幸福。

　　At_first_Li_Hua's_parents_were_opposed_to_her_marriage,_because_they_couldn't_tolerate_her_marrying_a_foreigner._Therefore,_they_tried_to_persuade_her_to_give_up_but_in_vain._Li_Hua_determined_to_insist_on_her_own_choice_at_all_costs,_but_she_wouldn't_violate_her_parents'_will._She_sought_for_a_way_to_make_her_parents_believe_that_she_didn't_decide_her_marriage_at_random,_and_she_made_it_in_the_end._Now_they_all_lead_a_happy_life.

　　二、勤练高考题型，多练自能生巧

　　Ⅰ.完形填空

　　In the past, people used to make clothes and do repairs on things in the house more than nowadays.I think the difference between then and now has been __1__ by a number of __2__ such as the quantity of other __3__， the differences in jobs and in lifestyles, etc.

In the past, after people finished their workdays, it was still __4__ and they didn't have too