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【单选题】
下列哪个不是酶联免疫吸附测定法（ELISA）检测抗体效价常用方法A.
间接法
B.
竞争法
C.
二喹啉甲酸(BCA)法
D.
双抗体夹心法
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皮皮学刷刷变学霸
举一反三
【单选题】By using the example of Galileo, the author intends to reveal that
A.
objectivity is essential to scientific research.
B.
hypothesis is based on careful observation.
C.
creativeness plays an important part in scientific research.
D.
observation is the only factor determining scientific research.
【单选题】刘先生，某公司职员，每次驾车时都注意使用安全带，该行为属于促进健康行为中的( )
A.
基本健康行为
B.
预警行为
C.
保健行为
D.
避开环境危害行为
E.
戒除不良嗜好行为
【简答题】What should the tourists do to avoid illness during the trip? They should take some essential ______.
【单选题】关于肥胖症,下列叙述哪项不正确
A.
体内脂肪积聚过多
B.
体重超过同年龄平均值2个标准差以上
C.
长期能量摄入超过消耗
D.
小儿肥胖症大多属于继发性肥胖
E.
按身高测体重，超过标准体重的平均值20%以上
【单选题】The author believes that man's 'pursuit of happiness' in America has ______.
A.
been essentially wrong from the very beginning
B.
had disappointing results thus far
C.
produced a finer, braver kind of modern man
D.
fulfilled the hope of the American rebels of 1776
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