26. He was ________ ________(欠债) when he was poor, but has been out of debt since he got rich.

25. I don’t know how they managed to ________ ________ ________(不受惩罚) paying such low taxes.

24. “Then when do you come out in the morning?” I ________ ________(扔出；随口说出)another question.

23. We should ________ ________(抛弃) the bad habits.

22. The little child ________ ________ ________(疲惫) walking so far.

21. Everybody ________ ________ ________ ________(厌烦) his endless speech.

20.《三维设计》“佳篇诵读”检查：

　 节电：及时关闭电灯、电脑等用电设备。

______________________________________________________________________________________________________________________________.

节水：随手关闭水龙头；废水再利用。

______________________________________________________________________________________________________________________________.

节纸：纸张再利用。

　_______________________________________________________________________.

19. ⑴We can't always ________________________________________. 　 我们并不总是能在工作中享受到乐趣。 ⑵He __________________creative imagination and true scholarship. 　 他同时具有创造性想象力和真正的治学谨严学风。 ⑶Two atoms of hydrogen ____________________ one atom of oxygen to form a molecule of water. 　 两个氢原子和一个氧原子结合而成一个水分子。

18. ⑴I'll help as much as I can, but there is __________________to what I can do.我会尽力帮忙，但我所能做的也是有限度的。 ⑵Her ambition knows ____________________. 她的野心没有限度。 ⑶ We must ________________ our spending. 我们必须限制我们的开支。

⑷. I'm willing to help, ____________________.我愿适当予以帮助。 ⑸I shall ____________________ myself to three aspects of the subject. 我仅探讨这一问题的三个方面。

17. _____________________(做研究) /______________________ (进行研究)