【正文】
。23. 選 D。22. 選 D。21. 選 D。20. 選 C。19. 選C。18. 選B。 17. 選A。16. 選 B。Why use wood when you can use plastic? 既然能用塑料,為什么還要用木料?15. 選A。when 不表示“當……的時候”,而表示“既然”,相當于 since,用以引導原因狀語從句。in case 意為“以防”。句意為“我第一次見到她就認為她很誠實”。 12. 選C。其中的 might as well意為“不妨”。11. 選 A。如下面一題也選as soon as:_______ he became rich he cast aside all his old friends who gave him some help.A. WhileB. As soon asC. SuddenlyD. Then10. 選A。9. 選 B。where 指“在……的地方”,用以引導地點狀語從句。注意不能選A,因為 suggest 是及物動詞,它應帶自己的賓語,而 however 不能用作賓語。6. 選B。5. 選 C。類似地,下面一題也選 as long as:“What are you going to do this afternoon?’ “I’ll probably go for a walk later on ____ it stays fine.”A. as far asB. as long asC. even ifD. as if4. 選 D。3. 選 C。2. 選 D。when 意為“在(當)……時候”。如以下試題也選 B:(1)“Did you remember to give Mary the money you owed her?” “Yes, I gave it to her ________ I saw her.”A. while B. the momentC. suddenly D. until(2) The doorkeeper gave the alarm _______ he saw the smoke.A. while B. the instantC. suddenly D. before(3) I raised the alarm _______ I saw the smoke.A. while B. the minuteC. suddenly D. since◆the moment 用作連詞,意為“一……就……”,相當于 as soon as。此句為省略句,答句句首的 No 表明其后省略的是一個否定句,全句補充完整為:She can’t play puter games unless she has finished her homework. 請做類似試題(答案均選B):(1) “Would you mind my sitting here with you?” “No, ______ you aren’t too noisy.”A. when B. ifC. unless D. as soon as(2) “Will he agree to e to join us in the work?” “No, _______ we promise him more money.”A. when B. unlessC. unless D. as soon as(3) “Can you finish the work in time?” “No, _______ we don’t sleep throughout the night.”10. “When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”A. the time B. the momentC. until D. since【陷阱】幾個干擾項均有可能誤選。請做類似試題(答案均選 C):(1) ________ more careful, the work might have been done better.A. Being B. Having beenC. If you had been D. To have been(2) _______ your diet, it is easy to reduce.A. Watching B. To be watchingC. If you watch D. To have watched(3) _______ a pair of passes, it is easy to describe a circle.A. Having B. To have hadC. If you have D. if having(4) _______ for something, a receipt is given to you.A. Paying B. Having paidC. When you have paid D. To be paying(5) _______ the sun rising slowly in the east, the scene is a