问题
填空题
聚苯乙烯本体生产：单体常用阻聚剂为（）；引发剂可以用偶氮类、过氧化物类；为了便于去除聚合热和控制反应物料黏度，加有少量溶剂与未反应单体共同发挥溶剂作用，常用的有甲苯、乙苯等。生产工艺。本体法主要产品为（）和（）。
答案
参考答案：叔丁基邻苯二酚；通用型PS；高抗冲HIPS注塑料
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聚苯乙烯本体生产：单体常用阻聚剂为（）；引发剂可以用偶氮类、过氧化物类；为了便于去除聚合热和控制反应物料黏度，加有少量溶剂与未反应单体共同发挥溶剂作用，常用的有甲苯、乙苯等。生产工艺。本体法主要产品为（）和（）。
参考答案：叔丁基邻苯二酚；通用型PS；高抗冲HIPS注塑料
完形填空（2） 阅读下面短文，掌握其大意，然后从11~20各题所给的A、B、C和D项中，选出最佳选项，并在答题卷上将该项涂黑。 So you have been called for an interview — well done! Your effort has 11 . You will feel better at the interview if you show an understanding of the 12 of the organization. Carelessness could 13 you the job. Arrive at least 15 minutes before time. This will give you a chance to look around, read the notice board and get the 14 of the place. Lateness at interviews creates a bad impression. The first impression the interviewer gets 15 you is formed as you walk through the door, so take a couple of deep breaths. Don’t take a seat until asked. Make eye contact when you are 16 and again if you shake hands and during questioning. Eye contact opens up the communication channel. Be ready for the question “Is there anything you want to ask?” Before the interview you should get ready for two or three such questions. Look on these not just as a 17 to get information but as a means to 18 your prospects in the employer’s estimation. Asking can show 19 and avoid asking about holidays, pension and so on. It looks as if you are tired even before you begin. And if you fail, look upon the interview as a (an) 20 in itself. 11．A．paid off B．paid back C．come out D．come true
14．A．feel B．sense C．feeling D．impression 15．A．on B．from C．with D．of 16．A．asked B．questioned C．greeted D．permitted 17．A．right B．channel C．chance D．path 18．A．make B．increase C．help D．improve 19．A．knowledge B．ability C．information D．thoughts 20．A．lesson B．feeling C．experience D．suffering |