乙脑患者早期的特异性诊断检查
A.腰穿检测脑压
B.脑脊液化验检查
C.头颅CT检查
D.补体结合试验检测乙脑IgG抗体
E.酶联免疫吸附试验,检测乙脑IgM抗体
参考答案:E
—How do the shops make money if they sell at such low prices?
—Manufacturers, it seems, are willing to bring down prices _____ big volume purchases.[ ]
A. under the name of
B. on behalf of
C. in return for
D. in preparation for
对观察发现的问题再逐一进行细致()。
A.研究
B.试验
C.检查记录
D.模拟