最难被酸水解的是（）。
A.氧苷
B.氮苷
C.硫苷
D.碳苷
E.氰苷
参考答案：D
Don't let their words _______ you. Just keep on until you succeed. [ ]
A. get up
B. get on
C. get to
D. get off
证见脘腹痞满，恶心呕逆，便溏不爽，色黄赤如酱，舌苔黄浊者，治宜选用（）
A.大承气汤
B.小承气汤
C.葛根芩连汤
D.以上都不是
