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【判断题】
噻嗪类为中效利尿药,也是最常用的利尿药物和一线抗高血压药物。
A.
正确
B.
错误
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举一反三
【单选题】Kentucky is the state _________ Lincoln was born in.
A.
when
B.
where
C.
-who
D.
which
【单选题】有机磷农药中毒的作用机制是
A.
增加胆碱酯酶活性
B.
抑制胆碱酯酶活性
C.
抑制大脑皮质
D.
舒张支气管平滑肌
E.
松弛支气管平滑肌
【简答题】In general, matters which lie entirely within state borders are the ________ concern of state governments. A) extinct B) excluding C) excessive D) exclusive
【单选题】有机磷农药中毒的作用机制是
A.
抑制胆碱酯酶活性
B.
抑制大脑皮质
C.
松弛支气管平滑肌
D.
舒张支气管平滑肌 "
E.
增加胆碱酯酶活性
【单选题】卤代烃为烃化试剂,当烃基相同时不同卤代烃的活性次序是
A.
RCl
B.
RF < RBr < RI < RCl
C.
RF > RCl > RBr > RI
D.
RF
【单选题】听力原文: The United Nations Secretary-General Ban Ki-moon has warned that hundreds of thousands of Burmese lives could be at risk unless the military government removes ail restrictions on foreign aid fo...
A.
hold the constitutional referendum.
B.
allow in foreign search and rescue teams.
C.
accept international aid right away.
D.
adopt John Holmes’suggestions.
【单选题】NH 3 的共轭酸是
A.
NH 2 -
B.
NH 2 OH
C.
NH 4 +
D.
NH 4 OH
【单选题】卤代烃为烃化试剂,当烃基相同时不同卤代烃的活性次序是
A.
RCl < RBr < RI
B.
RF < RBr < RI < RCl
C.
RF > RCl > RBr > RI
D.
RF
【单选题】氯丙嗪引起帕金森综合征,合理的处理措施是
A.
用毒扁豆碱
B.
用左旋多巴
C.
用阿托品
D.
减量,用安坦
E.
用舒必利
【单选题】NH 3 的共轭酸是
A.
NH2-
B.
NH2OH2-
C.
NH4+
D.
NH4OH
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