GB/T24001-2004标准中监测和测量就是指对环境绩效的监测和测量。()
参考答案:错
What ________ the weather ________? [ ]
A. is; look like
B. doe; like
C. is; like
D. are; like
增强CT扫描有助于发现病变确定病变的()、()和()情况。