第四部分：书面表达（共两节，满分40分）
第一节：完成句子（共10 小题；每小题1.5分，满分15分）
阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。
71.Hu Jin __________________(本应该守信用)， but she didn’t turn up and Li Fang was alone with his roses and chocolates, like a fool. (word)
72.___________________(依然是个谜) is why the dinosaurs suddenly disappeared 65 million years ago. (remain)
73.Cowboys from all over the world come to compete in the Stampede,___________________.
(许多人擅长) riding wild horses and can win thousands of dollars in prizes. (gift)
74.__________________(向东走) and you will pass mountains, lakes and forests as well as wide rivers and large cities. (go)
75.__________(是她的错) we were late because she took so long finishing her lunch. (fault)
76.The fact that the dissolved harmful gases and acids in oceans and seas produced the chain reaction ____________________________(使生命可能) to develop. (possible)
77. When I tried to step forward on the moon, I found I was carried_______________________
(两倍远) on the earth and fell over. (than)
78. _________________(觉得很沮丧),Wang Peng sat in his empty restaurant. (feel)
79.The reason why the neighbours will give the children many sweets on Halloween is _______________________________ (因为他们可能被捉弄). （trick）
80. What? A man landed on Mars? You________________________(在开玩笑) （joke）
71.should have kept her word 72.what remains a mystery 73.many of whom have a gift for 74.go eastward（s） 75.it was her fault that 76.made it possible for life 77.twice further / farther than 78.feeling very frustrated 79.that they may be played a trick / tricks on 80.must be joking
的溶液中：Al3+、NH4+、Cl-、CO32- 