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3、常見(jiàn)酸堿鹽的溶解性；

2、金屬活動(dòng)順序表及其意義和應(yīng)用；

1、有關(guān)酸堿鹽的化學(xué)用語(yǔ)：電離方程式和常見(jiàn)物質(zhì)的俗稱和主要成分；

42. It was _________ unusual work of art that everyone wanted very much to have a look at it.

A.　 /　　 B. an　　 C. such　　 D. such an

Keys:

1-5 AADCC　 　6-10 CBBDD　　 11-15 AABDB　　 16-20 ABCBC　　 21-25 DABDC

26-30 CBBCC　 31-35 BCDCA　　 36-40 BDBDD　　 41-42 AD

41. I don't regret _________ her the news even if it might have hurt her.

A.　 telling　　 B. to tell　　 C. to have told　　 D. and tell

40. He dropped the _________ and broke it.

A.　 cup of coffee　　 B. coffee's cup　　 C. cup for coffee　　 D. coffee cup

39. He was _________ to move the box, let alone carry it upstairs.

A.　 strong　　 B. too strong　　 C. strong enough　　 D. not strong enough

38. You're ________ your time trying to persuade him; he'll never join us.

A.　 spending　　 B. wasting　　 C. losing　　 D. missing

37. What ________ information it is! Put it into the computer.

A.　 uninteresting　　 B. terrible　　 C. useless　　 D. useful

36. Make yourself ___________ when you speak to others.

A.　 understand　　 B. understood　　 C. be understood　　 D. to be understood