搜题请搜索小程序“爱下问搜题”
问题 单项选择题

早搏的临床特点之一是（）.

A.可有脉搏脱漏

B.早搏的第二音增强

C.早搏的第一心音减弱

D.心脏病人运动后早搏可减少或消失

E.无器质性心脏病患者，于运动后早搏可增多

答案

参考答案：A

选择题

— What a fine day! How about going for a ride?   

—_________. But we need to be home before six o’clock for the baseball match.

A．I have no idea

B．Excuse me

C．You’re right

D．Sounds great
查看答案
选择题

You can stay with me as my friend Jack ____ I share the flat has gone to America for a holiday. [ ]

A. who

B. whom

C. with whom

D. for which

查看答案