使用常用验钞机进行双重伪检测时，同时打开磁检伪开关、（）开关。
A、单红外线检伪
B、红光检伪
C、单紫外线检伪
D、紫光检伪
参考答案：D
People should be cautious ______their personal information when surfing the Internet so as to prevent certain computer viruses ______ it. [ ]
A. about; to steal
B. of; stealing
C. with; to steal
D. to; from stealing
简述Apgar评分法的意义及内容。
