溴甲酚绿在一定条件上与白蛋白结合形成绿色复合物,其吸收峰在()
A.340nm
B.628nm
C.450nm
D.560nm
E.280nm
参考答案:B
_____ how to pronounce the word, he stopped to look it up in a dictionary.[ ]
A. Knowing not
B. Not knowing
C. Not to know
D. Not known
以兴奋性增高为主的高级神经中枢急性失调状态称为( )。
A.意识模糊B.嗜睡C.谵妄D.昏睡E.昏迷