【单选题】对糖皮质激素结构与活性关系描述错误的是
A.
对21位羟基酯化修饰,可改变药物理化性质或稳定性
B.
在1-2位脱氢,可使抗炎作用增大,而钠潴留作用不变
C.
在9α位引入氟,抗炎作用增大,但盐代谢作用不变
E.
在16位、17位的羟基与丙酮缩合为缩酮,增加疗效
【单选题】SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end o...
A.
doing well in some sports.
B.
having good body-image looking.
C.
wearing appropriate clothes.
D.
being popular with other kids.
【单选题】下列不属于海关依法监管及依法处理各类走私违法活动的依据的有( )。
【判断题】皇帝和皇子朝服中穿的对襟外褂上都绣有日月纹。
【单选题】SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end o...
A.
Do not copy or paste pictures to your website.
B.
Sanitizing your photos online guarantees their safety.
C.
Compared with emails, websites are Safer to share photos.
D.
Even your friends may use your photos for a bad purpose.
【单选题】对糖皮质激素结构与活性关系描述错误的是
A.
在1-2位脱氢,可使抗炎作用增大,而钠潴留作用不变
B.
在9α位引入氟,抗炎作用增大,但盐代谢作用不变
C.
在16位、17位的羟基与丙酮缩合为缩酮,抗炎作用增加
D.
对21位羟基的酯化修饰,可改变药物的理化性质或稳定性
【单选题】SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end o...
A.
doing well in some sports.
B.
having good body-image looking.
C.
wearing appropriate clothes.
D.
being popular with other kids.
【单选题】工业气体,如压缩空气、氮气送入无菌区域使用,需经过( )过滤器过滤。
【多选题】是海关依法监管及依法处理各类走私违法活动的依据。