关于麻醉效果，利多卡因比普鲁卡因维持的时间()
A．要短
B．一样长
C．长1倍
D．长2倍
E．长3倍
参考答案：C
They have T-shirts ______green and black______ $ 12 at the shop. [ ]
A. at; in
B. in; for
C. in; in
D. at; at
现代舞之母
