1、.用所给词的适当形式填空1Steel is a mixture (mix) of iron and other substances.2We can surely draw a conclusion (conclude) from our discussion.3He needed help to set up the equipment (equip)4The audience reacted (reaction) coldly to his speech.5The economy has contracted (contract) by 2.5% since last year.6He s
2、aid that these measures were aimed (aim) at helping the poor.单项填空1The_， I think, he drew from his simple experiment is not scientific.Aconclusion BchargeCpromise Drelation解析：句意：我认为他从简单的实验当中得出的结论是不科学的。draw a conclusion“得出结论”。答案：A2As we know, materials_ and contract with the increase and decrease of t
3、emperature.Aenlarge BspreadCextend Dexpand解析：句意：正如我们所知道的，物质随着温度的上升和下降而膨胀和收缩。expand“膨胀，扩大，扩张”，符合句意。enlarge“扩大，增大，详述”；spread“传播，展开，散布”；extend“扩充，延伸”。答案：D3Im a(n)_ middle school student from China.Apopular BcommonCusual Dordinary解析：句意：我是一名来自中国的普通的中学生。ordinary在本题中用于形容人，指无特别之处、很一般。popular“受欢迎的”，指适应大众爱好、需
4、要，为大家所公认或接受的；common多用于指物，侧重很常见、不稀奇；usual指常见常闻和常做的事或举动，强调惯常性。答案：D4It is said that most babies_ loud noise and behave differently.Areact against Breact onCreact with Dreact to解析：句意：据说大多数婴儿对于噪声有反应而且表现是不同的。react to“对起反应”，符合句意。react against“反抗(反对)”；react on“起作用于”；react with“与起化学反应”。答案：D5When the teacher said that there was a lazy boy in the class, he was_ John.Aaiming at Baiming toCaiming for Daiming解析：句意：当老师说班上有个不用功的孩子时，他是针对约翰说的。aim at sb.“针对某人”，符合题意。aim to“力争”；aim for“瞄准，以为目标”。答案：A
