If you ____this problem, you can turn to your teacher for help.
A. are confused
B. are confusing
C. were confused
D. were confusing
In this sentence the preposition “with” can be omitted.
A. 对
B. 错
既能清热涤痰又能润燥滑肠的药物是()
A. 瓜蒌仁
B. 苦杏仁
C. 火麻仁
D. 郁李仁
E. 柏子仁
瓜蒌的主治证是()
A. 结胸
B. 胸痹
C. 肺痈
D. 肠痈
E. 乳痈