Evaluation Only. Created with Aspose.Words. Copyright 2003-2022 Aspose Pty Ltd.1已知：求的值2. 其中x=-3.其中x=－．4.÷(x3)·其中x=8y=11．5.÷·．其中x=8 6.÷(·)．其中x=-．7.已知│3a-b1│(3a-b)2=0．求÷[()·()]的值．8.已知：求分式的值：9. 已知：求的值10.

　　 强化练习　　1.动词时态强化练习　　1. I was hired　(hire) by a Saudi diplomat directly from the Philippines to work in London in 1989.　　解析：过去时的被动语态标志语：1989.　　2. However many people doubt whether this will reduce

PAGE  .ks5uUnit 4 Section 3Ⅰ.单项填空1．We have been waiting for her all the afternoon but she hasnt ________ yet.A．turned round B．turned upC．turned out D．turned to答案：B　考查动词短语句意：我们等了她一整下午但是她仍没