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【单选题】
不被药物的剂量加大所影响的拮抗现象属于
A.
非竞争性拮抗作用
B.
拮抗作用
C.
延缓或降低抗药性
D.
促进机体的
E.
竞争性拮抗
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参考答案:
举一反三
【单选题】精神障碍者实施的最多的犯罪种类是()
A.
高技术犯罪
B.
暴力犯罪
C.
经济犯罪
D.
有组织犯罪
【判断题】免疫透射比浊分析时,溶液中存在的抗原抗体复合分子应足够大,分子太小则阻挡不了光线的通过。
A.
正确
B.
错误
【简答题】It suddenly__________to me that somebody might be able to lend us the money. A.came B. turned C. referred D. occurred
【单选题】关于免疫透射比浊分析,下列描述错误的是
A.
基本原理是测定一定体积的溶液通过的光线量,由于溶液中抗原抗体复合物粒子对光线反射和吸收,透射光减少,测定的光通量与抗原抗体复合物的量呈反比
B.
溶液中存在的抗原抗体复合物分子应足够大,分子太小则阻挡不了光线的通过
C.
溶液中抗原抗体复合物的数量不需要太多,以免影响光通量的测定
D.
检测仍需抗原抗体反应的温育时间,检测时间较长
E.
测量的是透过不溶性复合物到达探测器而未被散射或吸收的光线
【单选题】关于免疫透射比浊分析,下列描述错误的是
A.
基本原理是测定一定体积的溶液通过的光线量,由于溶液中抗原抗体复合物粒子对光线反射和吸收,逶射光减少,测定的光通量与抗原抗体复合物的量呈反比
B.
溶液中存在的抗原抗体复合物分子应足够大,分子太小则阻挡不了光线的通过
C.
溶液中抗原抗体复合物的数量不需要太多,以免影响光通量的测定
D.
检测仍需抗原抗体反应的温育时间,检测时间较长
E.
测量的是透过不溶性复合物到达探测器而未被散射或吸收的光线
【单选题】It suddenly ______ to me that we could use a computer to do the job.
A.
took place
B.
occurred
C.
came about
D.
happened
【单选题】A warm thought suddenly came to me _____ I might use the pocket money to buy some flowers for my mother’s birthday.
A.
it
B.
when
C.
that
D.
which
【简答题】A 14-year-old Chinese boy overcame two of humankind’s most dreaded fears — getting stuck in an elevator and getting homework 1 (do) in a single night, owing to his calm-witted character. Sun Yixiao wa...
【单选题】—Which driver was to blame? —Why,_____!It was the child’s fault,clear and simple.He suddenly came out between two parked cars.
A.
both
B.
each
C.
either
D.
neither
【单选题】It suddenly ______ to the detective that the professor was probably murdered by his own wife .
A.
came about
B.
took place
C.
happened
D.
occurred
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