5、aph17AproviderBdeliverymanCcollectorDmedicaldoctor下载可编辑专业资料精心资料30.Why does Peter have to complete his trip within 42hours?A. He cannot stay away from his job too long.B. The donor can only wait for that long.C. The operation needs that very much.D. The ice won't last any longer.31.Which fligh
6、t did the woman put Peter on first?A. To London B. To NewarkC. To Providence D. To Washington【答案】29-31.BD.B【技巧点拨】词义猜测题的答题技巧。1.根据定义或上下文解释进行猜测2.根据同位关系进行猜测3.根据构词法(前缀、后缀、复合、派生等)进行猜测4.根据转折或对比关系进行猜测。在本文中要根据上下文对作者工作的描写来推测出正确的词义。30.D细节理解题。根据第一段第二句Ihave42hourstocarrystemcellsinmylittleboxbe