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问题 单项选择题

UNIX系统中，输入/输出设备被看成是下列四种文件的哪一种( )。

A．普通文件

B．目录文件

C．索引文件

D．特殊文件

答案

参考答案：D

解析： UNIX系统将外部设备作为文件看待，称为特殊文件(或特别文件、设备文件)，由文件系统统一管理。这样可以使输入/输出硬件的接口与普通文件接口一致。

阅读理解
阅读理解。
     Jack loves to ride his bike. It's his favorite activity. But he made a big
mistake last Wednesday. He acted foolishly (愚蠢地). He did not know the
safety rules. He did not think about keeping his body safe.
     Thinking before you act can help you avoid (避免) many accidents. Knowing
what to do can keep you or someone close to you safe. Remember that when you
ride a bicycle, you share the road with trucks and cars. Read the following rules.
They can help you stay away from the risk, or chance, of getting hurt.

                                        Title: ___________
1. Always wear a helmet.
2. Don't ride on the sidewalk so you won't run into someone walking.
3. Ride on bike paths if they are near you.
4. Always ride in the same direction as the traffic.
5. Use hand signals (信号) when you stop or turn.
6. Obey traffic lights and signals.
7. Walk your bike across busy crossings.
8. If you ride with a friend, ride one behind the other.
9. If you ride at night, use your headlights, wear light-colored clothing,
    and make sure you have reflectors (反射镜) on your bike.
1. We know from this passage that maybe Jack _____ last Wednesday.
A. failed an exam
B. had an accident
C. went to school by bus
2. The sidewalk is left for people who _____.
A. walk
B. drive cars
C. ride bikes
3. The word "risk" means _____.
A. safety
B. turning
C. danger
4. It's dangerous to _____ according to the rules.
A. ride in the same direction as traffic
B. ride side by side (并排) with someone else
C. use hand signals when you stop or turn
5. The best title of the list will be _____.
A. Bike Safety Rules
B. Bike Riding Club
C. Bike Riding Skills
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多项选择题

商业银行计算并表后的资本充足率时，可以不列入并表范围的机构包括（）

A.已关闭或已宣告破产的金融机构；

B.因终止而进入清算程序的金融机构；

C.决定在一年之内售出而短期持有其过半数以上权益性资本的金融机构；

D.受所在国外汇管制及其他突发事件影响、资金调度受到限制的境外附属金融机构。
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