试题与答案

晶体三极管的输出特性曲线可分为截止区、放大区和()三个区域。

题型:填空题

题目:

晶体三极管的输出特性曲线可分为截止区、放大区和()三个区域。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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题型:阅读理解
任务型阅读。
     Here is a survey about people's preference (偏爱) to shop. Some people were asked where they
preferred to shop.
     Eric is a doctor. He lives in a nice neighborhood with many small shops and restaurants. He likes the
friendly shop owners. He doesn't have a car, so shopping near his home is very convenient (便利的).
However, he says there are two main problems. First, things from the small shops cost more money.
Second, he can't find the books he wants to read in the small bookstore. He has to go to the big
bookstores downtown.
     Cathy is a mother of three children. She and her husband both work as teachers. They like to shop in
big supermarkets because they're clean and safe and prices are good there. Supermarkets have many
more kinds and sizes of products than small shops. Cathy says supermarkets also have disadvantages.
For example, they're always crowded during holidays, and they're so big that children can easily get lost
in them.
     Tony is a student who prefers to shop on the Internet. He thinks the main advantage is that he can
shop anytime he likes, even late at night. And he can buy fascinating things from all over the world. The
biggest worry is security (安全保障) for the Internet shop. Last year, his credit card number was
stolen (窃取). Also, once he paid for some things and never received them.
根据短文内容,将下面表格中的信息补充完整。
Eric
Cathy
Tony
Where to shop
In the small shops in his
neighborhood.
In big supermarkets.
__4__.
Advantages

The shop owners are __1__
and shopping near his home  
is very convenient.
They're clean and safe
and prices are good.
He can shop anytime
he likes, and buy things
from __5__.
  Disadvantages
Things from the small shops
_ 2     and the small bookstore
doesn't have the books he likes.
They're always __3__ during
holidays and children can get
lost in them.
Credit card numbers may
be stolen. Sometimes
people couldn' t get the
things they've ordered.
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