[判断题]

Scientists do not understand why women should outlive men by five years.

[填空题]Scientists now understand why people’s mental faculties decline at different rates.’

[简答题]In fact, scientists do not fully understand how the memory works but they have not shown that there is any limit to the amount of information that the human brain can store.

[单项选择]　 Why do you listen to music If you should put this question to a number of people, you might receive answers like these: "I like the beat of music," "I look for attractive tuneful- ness," "I am moved by the sound of choral singing," "I listen to music for many reasons but I could not begin to describe them to you clearly." Answers to this question would be many and diverse, yet almost no one would reply, "Music means nothing to me." To most of us, music means something; it evokes some response. We obtain some satisfaction in listening to music. 　　For many, the enjoyment of music does not remain at a standstill. We feel that we can get more satisfaction from the musical experience. We want to make closer contact with music in order to learn more of its nature; thus we can range more broadly and freely in the areas of musical style, form, and expression. This book explores ways of achieving these objectives. It deals, of course, with the techniques of music, but only in order to show
A. people listen to music for similar reasons.
B. reasons for listening to music are varied.
C. some people don’’t understand music at all.
D. purposes for listening to music can be specified.

[单项选择]Why do some
small companies
stay small
It is often assumed that if a small company fails to (0)..., it is because of external factors. So it may come as something of a surprise to discover that many small companies have only themselves to (19)... for their lack of growth. In fact, if you run a small business, you shouldn’t waste much time wondering whether you have (20)... to investment capital; still less, analysing fluctuations in (21)... exchange rates. You are more likely to (22)... the main barrier to greater success by looking in the mirror.
This is a conclusion that can be (23) ... from a recent study based on interviews with the owner-managers of 40 small businesses. The research makes the reason (24) ... : management behaviour, however well intentioned, is often the (25) ... of the problem. This was the overwhelming view (26) ... by the managers surveyed: the
A. specify
B. categorise
C. identify
D. allocate