标定四苯硼钠液(0.02mol/L)时,精密量取本液10ml,应选用的仪器是()。
A.量筒
B.分析天平(感量0.1mg)
C.台秤
D.移液管
E.容量瓶
参考答案:D
— _____________ she get up at 6: 00?
— No, she _____________. [ ]
A. Do, don't
B. Does, doesn't
C. Do, doesn't
下列哪类药物能够翻转肾上腺素的升压作用( )
A.M受体阻断剂 B.N受体阻断剂 C.β受体阻断剂D.α受体阻断剂 E.H1受体阻断剂