【简答题】药物性状检测中,物理常数包含哪些(列出5项以上)
【判断题】真菌无性繁殖中最常见的孢子是游动孢子。()
【单选题】牌号为CJ201的气焊熔剂的名称是( )。
【单选题】女,35岁,鼻塞,流涕,鼻中带血,时有绿色胶样分泌物,抗生素治疗无效,关于真菌性上颌窦炎。最常见的致病菌为()
【单选题】下列哪对化合物可用于制备缩聚物( )
A.
CH3(CH2)4COOH 和 NH2(CH2)6NH2
B.
HOOC(CH2)4COOH 和 NH2(CH2)6NH2
C.
HOOC(CH2)4COOH 和 NH2(CH2)6CH3
D.
CH3(CH2)4COOH 和 NH2(CH2)6CH3
【单选题】一对相互啮合的直齿圆柱齿轮,下列说法错误的是 ( )
【单选题】下列哪对化合物可用于制备缩聚物()
A.
HOOC(CH 2 ) 4 COOH 和 NH 2 ( CH 2 ) 6 NH 2
B.
HOOC(CH 2 ) 4 COOH 和 NH 2 (CH 2 ) 6 CH 3
C.
CH 3 (CH 2 ) 4 COOH 和 NH 2 (CH 2 ) 6 NH 2
D.
CH 3 (CH 2 ) 4 COOH 和 NH 2 (CH 2 ) 6 CH 3
【单选题】When inventory costs are falling, the LIFO costing method will generally result in:
A.
a higher gross profit than under FIFO.
B.
a lower gross profit than under FIFO.
C.
a lower inventory value than under FIFO.
D.
the same inventory value as FIFO.
【判断题】When inventory costs are rising, a company using the LIFO costing method will generally pay less taxes than if the company had been using the FIFO method.