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【单选题】
可以区别甾体皂苷和三萜皂苷的反应是A.
醋酐-浓硫酸反应
B.
kedde反应
C.
Molish反应
D.
Mg-HCl反应
E.
K-K反应
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举一反三
【单选题】患者男性,80岁,因4小时来持续心前区疼痛,确诊为急性心梗而入院。请问急性心肌梗死时,以下哪一种血清酶特异性最高
A.
乳酸脱氢酶
B.
α-羟丁酸脱氢酶
C.
谷草转氨酶
D.
肌酸磷酸激酶
E.
肌酸磷酸激酶同工酶
【单选题】For the circuit shown in Fig. 26 - 8, which equation is correct for loop2 (going clockwise)?
A.
E 2 + R 3 I 3 + E 3 - R 2 I 2 = 0
B.
E 2 + R 3 I 3 - E 3 + R 2 I 2 = 0
C.
E 2 - R 3 I 3 - E 3 - R 2 I 2 = 0
D.
E 2 + R 3 I 3 + E 3 + R 2 I 2 = 0
【单选题】The current and voltage in this circuit differ () phase by 90o. [The phases of the current and voltage in this circuit differ by 90o.]
A.
in
B.
of
C.
for
D.
with
【简答题】Greek letter organizations Fraternities and sororities are male and female social organizations in North American college (usually for students) . The word "fraternity"comes from the Latin word "frate...
【简答题】Greek letter organizations Fraternities and sororities are male and female social organization in North American colleges(usually for students). The word “fraternity”comes from the Latin word “soror”,...
【单选题】男性,80岁。因4小时来持续心前区疼痛,确诊为急性心肌梗死收入监护室,监测中发现病人出现心室颤动,此时责任护士应即刻采取的首要措施是
A.
心内注射利多卡因
B.
非同步电除颤(电复律)
C.
吸氧
D.
气管插管
E.
同步电除颤
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