在同时打开多个不连续的文件时使用的组合键是()。
A、Alt
B、Ctrl
C、Shift
D、Esc
参考答案:C
在△ABC中,若tanA:tanB:tanC=1:2:3,则A=______.
Questions 11 to 15 are based on the following interview.
A. Saris are not practical. B. Saris are old-fashioned. C. Saris are not cheap. D. Saris are hot and difficult to walk in.