题目内容

听力原文：There was a big box like piece of furniture with lots of long drawers that had cards inside. Each card represents a different book. These cards are all arranged in alphabetical order. If you know the name of the book, the name of the author, or the subject, you'll be able to find the book you need.
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听力原文：It uses lighter material in the body and frame. It adopts a new kind of carburetor which cuts down on petrol consumption. That will save your money. The steering and brakes are powerful. You can take a test drive and see how it runs.
You will hear five short pieces.
For each piece decide what the speaker is talking about.
Write one letter(A--H)next to the number of the piece.
Do not use any letter more than once.
After you have listened once, replay each recording.

A. catalogues
B. boxes
C. books
D. Greeting cards
E. radio programmes
F. weather
G. TV programmes
H. cars

宏观经济周期的四个阶段有：复苏、繁荣、衰退、萧条。()

信息披露制度是指证券发行后的信息披露。这里的信息既包括会计信息，又包括非会计信息。()

方差或标准差越大，随机变量与数学期望的偏离越大，风险就越大。()