既能敛肺止咳，又能涩肠止泻的药物是
A．乌梅
B．金樱子
C．白果
D．肉豆蔻
参考答案：A
Cycling is highly________to people's health and the environment.[ ]
A. fashionable
B. beneficial
C. changeable
D. suitable
临床上最常见的肺癌病理类型是
A．腺癌B．鳞癌C．大细胞癌D．小细胞癌E．肺泡细胞癌
