无论睛天还是阴天，拍摄室外多人合影照，都应选择（）光位。
参考答案：前侧光
Lucy didn’t make any mistakes in the math exam. She is _______ than any other student.
A．the most careful
B．more careless
C．more careful
D．much careful
喉CT扫描，层厚与层距一般选择（）
A.1.5～2.0mm连续扫描
B.3～5mm连续扫描
C.5～10mm连续扫描
D.层厚5mm，层距10mm间隔扫描
E.层厚2mm，层距5mm间隔扫描
