[单项选择]Over the last few months hardly a day had gone by without ______ in the financial press.
A. his name was mentioned
B. his name mentioned
C. his name to be mentioned
D. his name being mentioned

[单项选择]The instructor had gone (over) the problems (many times) (before) the students (will take) the final examination.


A. over
B. many times
C. before
D. will take

[单项选择]Last Thursday Professor Wang had his （　） birthday.
A. ninety
B. ninetieth's
C. ninties
D. ninetieth

[单项选择]

Text 4
Over the past few decades, there has been a considerable increase in the use of mathematical analysis, both for solving everyday problems and for theoretical developments of many disciplines. For example, economics, biology, geography and medicine have all seen a considerable increase in the use of quantitative techniques. Twenty years ago applied mathematics meant the application of mathematics to problems in mechanics and little else--now, applied mathematics, or as many people prefer to call it, applicable mathematics, could refer to the use of mathematics in many varied areas. The one unifying theme that these applications have is that of mathematical modeling, by which we mean the construction of a mathematical model to describe the situation under study. This process of changing a real life problem into a mathematical one is not at all easy, we hasten to add, although one of the overall aims of this book is to improve your ability as a mathematical mod
A. reads it carefully
B. understands the general concept it provides
C. C .reads Section Ⅰ and Ⅱ as well
D. tries to solve the problems provided in Sections Ⅰ and Ⅱ

[单项选择]Last week, we had a meeting. I told the chairman that I couldn't attend it for I had something important to do, but he insisted ______ my being present.
A. on
B. in
C. to
D. at

[单项选择]I saw Mr. Smith last Sunday. We had not seen each other ______ I left London.
A. as
B. before
C. since
D. till

[单项选择]ssing the last bus, we had no choice but ______ a taxi home.
A. to take
B. take
C. taking
D. taken

[单项选择]In the last few minutes the conversation has become seemingly ______ as if the discussion were of some minor domestic matte r and not survival itself.
A. crucial
B. central
C. casual
D. causal