浅感觉检查包括_______、_____和______。
参考答案：痛、温、触觉
he said he would ring me up, but he didn’t ___my telephone number?
A．Has he forgotten
B．Must he forget
C．Must he have forgotten
D．Could he have forgotten
为什么要进行数据分级？如何确定适宜的分级数？如何正确标定分级界限？
