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问题 选择题
如果坡角的余弦值为
3
10
10
，那么坡度为（　　）
A．1：
10
B．3：
10
C．1：3D．3：1
答案

如图，设坡角为α．

∵cosα=

AC
AB
=
3
10
10
，

∴设AB=10k，则AC=3

10
k，BC=
AB2-AC2
=
10
k．

∴tanα=BC：AC=1：3．

即坡度为1：3．

故选C．

填空题

Today I’d like to talk about how to become a (1) . Usually you have to start at the beginning. That is, you have to begin (2) of some sort on a local newspaper, a (3) , maybe on a small magazine -- work (4) . Now there aren’t that many organizations which have large numbers of foreign correspondents so you also have to (5) with that aim (6) . Another way of doing it is to work abroad, and work as (7) . That’s somebody who sells stories, and gets paid (8) , to newspapers and magazines and so on. And hoping to (9) that way, and eventually to be offered a (10) .
I don’t really know (11) are needed, but obviously a degree in modern languages or (12) would be very useful. But, a degree in itself probably wouldn’t (13) . It wouldn’t be enough to get you job. It wouldn’t (14) to make an editor decide to (15) . So it’s difficult to define the (16) . You’re going to need (17) and the ability to assimilate information (18) and then produce stories which (19) of the newspaper or radio or television station you (20) .
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单项选择题

金融机构在为企业办理外汇资金入账前应查询企业名录状态，确定（）。

A.收汇性质

B.企业性质

C.贸易性质

D.账户性质
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