从“钣金”工具栏中调用“倒角”命令，“倒角”命令有（）三种方式。（）
A.一距离
B.距离和角度
C.两距离
D.三距离
参考答案：A, B, C
The settlement is home to nearly 1,000 people, many of _____ left their village homes for a better life in the city. [ ]
A. whom
B. which
C. them
D. those
"RAAS"所代表的是（）
A.以上都不是
B.心管转换酶抑制剂
C.胰岛素抵抗
D.短暂性脑缺血发作
E.肾素-血管紧张素-醛固酮系统
