【简答题】付账时我忘了索要收据。(receipt)
【多选题】炒黄后既易于煎出有效成分,又能降低毒性的药物是( )
【简答题】牵牛子炒黄能( )。A.缓和药性B.降低毒性C.涤痰饮,消积滞D.便于粉碎E.易于煎出有效成分A. 1 B. 1 C. 1 D. 1 E. 1
【单选题】在烷烃的自由基取代反应中不同类型的氢取代活性最大的是
【简答题】付账时我忘了索要收据。(receipt) I forgot to _________________ when checking out.
【多选题】纤维( fiber)组织的 细胞壁明显地次生增厚,常木质化、坚硬。其细胞特征有:
【单选题】付账时我忘了索要收据。(receipt)
A.
I forgot to ask for a receipt when checking out.
B.
I forgot to ask a receipt when checking out.
C.
I forget to ask for a receipt when checking out.
D.
I forgot to ask for a receipt when check out.
【单选题】牵牛子炒黄能( )。A.缓和药性B.降低毒性C.涤痰饮,消积滞D.便于粉碎E.易于煎出有效成分