【单选题】When interest rates rise:
A.
the cost of investing rises, and businesses buy less equipment and structures.
B.
the return on investments rises also, and businesses eager to lock in future profits increase their investments.
C.
consumers are encouraged to save, and the automatic relationship between savings and investment leads to an increase in investment.
D.
investment tax credits kick in to maintain a steady level of investment.
【简答题】已知x:y=2:3,则y:x=______.
【简答题】已知x:y=3:2,则(x+y):y=______.
【判断题】任何一个网络,任何一台服务器都不会为用户提供无限大的磁盘空间。因为一个文件系统的磁盘窨使用率超出95%时,系统就不会正常工作,系统效率就极大下降。()
【简答题】短歌行作者是谁,文学史上的“三曹”指的是哪三个人?“三苏”又指的是哪三个人?
【简答题】已知3x+y=3,用x表示y,则y=______.
【判断题】任何一个网络,任何一台服务器都不会为用户提供无限大的磁盘空间 因为一个文件系统的磁盘使用率超出95%时,系统就不会正常工作,系统效率就极大下降