循证医学实践的核心是
A.素质良好的临床医生B.最佳的研究证据C.必要的医疗环境和条件D.患者的参与和合作E.临床流行病学基本方法和知识
参考答案:B
Consult the page adapted from an English dictionary and do Questions 68~70.
小题1:Fill in the blank in the sentence “I can’t believe this is Daniel—he’s ______ since we last met! Much taller than the other boys of his age!”
A.shot up
B.shot out
C.shot through
D.shot down小题2:When you are talking about unimportant things, we say you are ______.
A.shooting yourself in the foot
B.shooting your mouth off
C.shooting the breeze
D.shooting questions at somebody小题3:Choose a word to complete the sentence “The ______, which killed a policeman and wounded a passer-by(路人), was reported to have lasted only 13 seconds.”
A.shooter
B.shoot
C.shot
D.shooting
局域网中数据传输的误码率较低,一般约在()
A、10-2~10-3
B、10-8~10-11
C、10-5~10-6
D、10-6~10-7