71. The manufacturer lost many of its most loyal customers after the media focused attention on its lack of_____to product quality.

A.commitment   B.assurance   C.value   D.interest

71.A【解析】本题应靠释义来解题，但空格后的to 也解题的提示。commitment to 意为“保证/献身于某事” 。

72. This restructuring _____ to save the company more than 3 million dollars per year.

A.expects   B.are expected   C.expected   D.is expected

72.D【解析】空格内应填入动词的单数被动形式。当expect 的主语是事物时，只能用被动语态；而主语是人时，主动语态和被动语态都可以使用。

73. I bet he is well_____for the position of taking care of his staff.

A.engaged   B.successful   C.qualified   D.reserved

73.C【解析】be(well) qualified for 意为“（很）具有做某事的资格”

74. Presently,_____appears that the problem of absenteeism has yet to be adequately addressed.

A.he   B.its   C.his   D.it

74.D【解析】应在能做主语的he 和it 之中选择答案。后面有that，所以应选形式主语it。it appears that...意为“好像...”。

75. The loan agency granted a 3 week_____on the loan of $100,100 at the request of Mr.Cha.

A.exhaustion   B.extension   C.explanation   D.execution

75.B【解析】grant an extension 意为“批准延期”。

76. His experience with Gates taught_____to think big and to never miss an opportunity to learn something new.

A.his   B.himself   C.he   D.him

76.D 【解析】空格内应填入及物动词teach 的宾语，所以宾语的him 是正确答案。himself 只有在动作主体与对象是用一个人时才能使用。

77. Find a user group in your area and attend a meeting to learn how to use our products more_____.

A.effectively   B.profusely   C.increasingly   D.fluently

77.A【解析】遇到副词，要考虑它和最近动词的搭配。use our products effectively 意为“有效率地使用我们的产品”。

78. What a/an_____it is to be part of this very stimulating conference.

A.anticipation   B.admiration   C.honor   D.humiliation

78.C【解析】what an honor it is to do 意为“做某事感到十分光荣”。

79.The list is based on a survey of 10,000 corporate directors, executives, and analysts at_____350 companies.

A.more than     B.increasingly

C.exceptionally   D.untill

79.A【解析】请记住常出现在数字前面的词。“more than/less than+数字”意为“...以上/以下”。表示“大约”可以用roughly, approximately, nearly, almost, about, around 等。

80. They have succeeded not just because market conditions favored their style _____ because their investing discipline helped them.

A.but   B.only   C.quite   D.such

80.A【解析】 not just/only because...but(also)because 意为“不仅因为...，而且因为...”，请记住这句式。