39. Their cheerful voices showed that they were having a __________ discussion.
A. noisy B. serious
C. complete D. friendly
答：D。friendly 友好的
40. I am surprised that you should have been fooled by such a ________ trick.
A. ordinary B. easy
C. smart D. simple
答：D。修饰question“问题”之类的词常用easy或difficult。指trick“把戏，诡计”用simple修饰最佳。 by such a simple trick 意为“如此简单的把戏”。
41. It is generally believed that teaching is ______ it is a science.
h. an art much as B. much an art as
C. as an art much as D. as much an art as
答：D。句子的主干是teaching注anart。同级比较，按照句型，应为“as+形容词十名词+as”。如：
He has as many hooks as I
He has as much homework as I
42. —I’m very _______ with my own cooking. It looks nice and smells delicious.
—Mm, it does have a _______ smell.
A. pleasant, pleased B. pleased, pleased
C. pleasant, pleasant D. pleased, pleasant
答：D．be pleased with...对……满意, pleasant 令人愉快的。
43. Two middle~aged passengers fell into the sea. ________, neither of them could swim.
A. In fact B. Luckily
C. Unfortunately D. Naturally
答：C．从所给题的上下文分析，两人落入水中，又不会游泳，这是很不幸的。
44. All the people ________ at the party were his supporters.
A. present B. thankful
C. interested D. important
答：A。presentat 出席
45. It was raining heavily. Little Mary felt cold, so she stood _________ to her mother.
A. close B. closely
C. closed D. closing
答：A。close toclose t。短语中的close为副词，意为“离……近”。以-ly构成的副词多表示抽象的意义。如：close近地，closely紧密地，密切地；free免费地，freely自由地，无拘束地I hard努力地，hardly几乎不；late晚，迟，lately近来I most极，非常，mostly主要地，大部分，wide完全地，充分地，widely广泛地；high高，highly高度地，非常：deep深，deeply深深地(抽象意义)。