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【单选题】
以下关于计算机总线的描述错误的是____。A.
计算机的五大部件通过总线连接形成一个整体
B.
总线是计算机各个部件之间进行信息传递的一组公共通道
C.
根据总线中流动的信息不同分为地址总数据总控制总线
D.
数据总线是单向的,地址总线是双向的
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【简答题】活期存款结息日为每年（ ） 。
【单选题】What kind of students may NOT like online distance learning?
A.
Those busy with their schedules.
B.
Those in need of further education
C.
Those unable to attend regular classes.
D.
Those in favor of face-to-face teaching.
【简答题】属于狭义相对论基本假设的是：在不同的惯性系中， Ａ．真空中光速不变 Ｂ．时间间隔具有相对性 Ｃ．物体的质量不变 Ｄ．物体的能量与质量成正比
【单选题】All the students were eager to know what the future may have________for them when they graduated from the school. [ ]
A.
in store
B.
in common
C.
in all
D.
in particular
【单选题】What happens to students who miss more than four classes?
A.
They may fail the course.
B.
They may not have to make up the work.
C.
They may have to do additional assignments.
D.
They may not understand the labs.
【多选题】下列关于 GIF 格式的描述正确的有( )。
A.
通过减少文件中的颜色数量可以减小 GIF 图像的大小
B.
GIF 文件的大小与优化设置中的色彩数量没有直接关系
C.
GIF 是一种用 LZW 压缩的格式，目的在于最小化文件大小和电子传输时间
D.
GIF 格式保留索引颜色图像中的透明度，但不支持 Alpha 通道
【单选题】What may eventually happen with the busing cutbacks?
A.
More students may choose to take public transportation.
B.
The safety of school buses may be decreased sharply.
C.
Competition among bus companies may become fiercer.
D.
There may be an increase in carbon dioxide emissions.
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