皮皮学,免费搜题
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【单选题】
患者给与青霉素和去甲肾上腺素治疗感染中毒性休克,治疗中,发现静脉滴注部位皮肤苍白、发凉、患者诉说疼痛。此时应给予何种药物治疗
A.
酚妥拉明
B.
普鲁卡因胺
C.
普萘洛尔
D.
阿托品
E.
麻黄碱
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举一反三
【单选题】Did you watch _______ 8 o’clock news this morning? _______ plane with 100 passengers got burnt at the airport.
A.
/; The
B.
the; A
C.
the; /
D.
/; A
【判断题】亚硝酸盐的测定, 样品经沉淀蛋白质、除去脂肪后,在弱酸条件下,亚硝酸盐与对氨基苯磺酸重氮化,再与 N-1-萘基乙二胺 偶合形成紫红色染料,其最大吸收波长为550nm,可测定吸光度并与标准比较,定量。
A.
正确
B.
错误
【单选题】分光光度法检测食品中亚硝酸盐时选择最大吸收波长是()。
A.
538nm
B.
570nm
C.
438nm
D.
以上不是
【单选题】生产者将雅芳( )新活再生霜、祛斑精华露、活肤水等放在同一包装物内出 售,这种包装策略是( B )
A.
类似包装策略
B.
配套包装策略
C.
等级包装策略
D.
附赠品包装策略
【单选题】亚硝酸盐重氮化偶合比色法的最大吸收波长为( )。
A.
530 nm
B.
540 nm
C.
550 nm
D.
560 nm
【单选题】Buses stop at every stop to let off and______the passengers.
A.
pick up
B.
get on
C.
let up
D.
take on
【简答题】A.They carried passengers, but not cargo. B.They were large, but surprisingly fast. C.They were the first successful steam-powered ships. D.They were more reliable than other ships of the 1860's.
【单选题】美国雅芳化妆是由雅芳小姐销售的。雅芳化妆品的这一销售方式是().
A.
直销
B.
直复营销
C.
传销
【单选题】采用格里斯试剂比色法测定亚硝酸盐含量时,其最大吸收波长为()nm。
A.
500
B.
524
C.
538
D.
612
【单选题】—On 2014,April 16 th ,a South Korea ship carrying more than 450 passengers sank into the sea. Most of the pasaagers were students and lost their lives. —______ sad news.
A.
What a
B.
How a
C.
What
D.
How
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