在与客户通电话时,下列()是正确的。
A.哗哗的翻纸
B.吃东西
C.与身边的人说话
D.做电话记录
参考答案:D
To the surprise of the manager, Mrs. Black, who is not easy to deal with, quickly ________ and accepted the new work schedule.
A.hesitated
B.condemned
C.compromised
D.complained
简述β肾上腺素受体阻断药的临床应用