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【简答题】
2 , 4- 二硝基苯酚 ( DNP )是一种对人体毒性很大的物质。它会显著地加速代谢速率,使体温上升、出汗过多,严重导致虚脱和死亡。 19 40 年代曾试图用 DNP 作为减肥药物。 ( 1 )为什么 DNP 的消耗会使体温上升 , 出汗过多 ? ( 2 ) DNP 作为减肥药物的设想为何不能实现 ?
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皮皮学刷刷变学霸
举一反三
【简答题】The man was ______ at once, and he no longer had a headache after the operation．(operation)
【单选题】DZ5-20 型低压断路器的热脱扣器用于（ ）。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
过载保护
B.
短路保护
C.
欠电保护
D.
失压保护
【简答题】发生猪瘟时对环境消毒经常采用碱类消毒剂,如: 2%氢氧化钠、30%草木灰等,为什么?
【简答题】forceps operation
【单选题】The need for an operation，especially an immediate operation， almost always comes as a ______ to the patient and his family.
A.
result
B.
happiness
C.
disappointment
D.
shock
【单选题】The need for an operation, especially an immediate operation, almost always comes as a to the patient and his family. [ ]
A.
shock
B.
surprise
C.
pity
D.
disappointment
【单选题】“然则《关雎》《麟趾》之化,王者之风,故系之周公。南,言化自北而南也。《鹊巢》、《驺虞》之德,诸侯之风也,先王所以教,故系之召公。《周南》《召南》,正始之道,王化之基。”出自“
A.
《毛诗正义序》
B.
《诗谱序》
C.
《毛诗序》
D.
朱熹《诗集传》
【单选题】The need for a surgical operation, especially an emergency operation, almost always comes as a severe shock to the patient and his family. Despite modern advances most people still have an irrational ...
A.
in spite of improvements in modern surgery
B.
because they think modern drugs are dangerous
C.
because they do not believe they need anaesthetic
D.
unless it is an emergency operation
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