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【单选题】
关于儿童药动学的说法中正确的是A.
儿童肌内注射药物吸收不好
B.
儿童药物代谢活跃，药酶活性比
C.
儿童的药物蛋白结合率比
D.
小儿体液量所占比例比成人低
E.
儿童胃酸度比成人要高
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【单选题】右旋糖酐20为生物大分子聚合物，具有分子量大小不均一的特点，控制其分子量与分子量分布是质量控制的关键，《中国药典》采用色谱法检查，所用检测器为 （ ）。
A.
二极管阵列检测器
B.
示差折光检测器
C.
荧光检测器
D.
多波长紫外检测器
E.
．质谱检测器
【单选题】The main purpose of this passage is to______.
A.
convince people that global warming is a real threat
B.
criticize some countries for refusing to cut down emissions harmful to the ozone layer
C.
analyze the problem of global warming
D.
argue against making deep cuts in emissions
【简答题】下列透辉石的特征,描述正确的是
【简答题】根据奥氏体化程度不同,钢的淬火可分为 , 两类 。
【简答题】A．It is going to rain. B．The woman feels cold. C．There is a cold wind. D．They don't have umbrellas.
【单选题】Scientists have long warned that some level of global warming is a done deal—due in large part to heat-trapping greenhouse gases humans already have pumped skyward. Now, however, researchers are flesh...
A.
the ocean's capacity to absorb heat would decline.
B.
the sea-level would keep on increasing.
C.
the global average temperature would decrease.
D.
significant climate change would not take place.
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