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【单选题】
关于煎煮中药汤剂,下列说法错误的是:A.
煎药用具需选用化学性质稳定的器皿
B.
煎药用水以水质纯净、矿物质少为原则
C.
煎煮药物前需加热水浸泡有助药物成分析出
D.
一般药物浸泡30分钟为宜
E.
一般药物第一煎需20-30分钟
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举一反三
【单选题】All vessels navigating in the routing system of the Malacca Straits shall maintain at all times a ( ).
A.
high speed
B.
low speed
C.
moderate speed
D.
safe speed
【简答题】光圈大小对景深有着直接而重要的影响。所用的光圈愈大,景深愈( )。
【单选题】Malacca Straits is 805km and from 64km in the S to 257km in the N.
A.
length, wide
B.
long, wide
C.
length, widens
D.
long, widens
【简答题】下面关于建立合作伙伴供应商关系的目的描述中错误的是( )。 A .保证库存 B.控制成本 C.保证供应 D.缩短交货周期
【判断题】The Malacca Straits is quite close to Singapore, the hub of South East Asia.
A.
正确
B.
错误
【单选题】Depths in the routes (Malacca and Singapore Straits) vary between 20 m and about 23 m but there are many areas of sand waves and depths are liable to change. The statement infers that .
A.
depths in Malacca and Singapore Straits are stable
B.
depths in Malacca and Singapore Straits are changeable
C.
depths in Malacca and Singapore Straits are the same all the time
D.
depths in Malacca and Singapore Straits are invariable
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