患哪种疔的患者需要隔离:()
A.烂疔
B.红丝疔
C.人中疔
D.眼胞疔
E.蛇腹疔
参考答案:A
为了提高对π的记忆,李老师编了一首打油诗,这是李老师运用了记忆术中的编歌诀法。
I had to ______ because someone else wanted to use the phone.
A.give up
B.put up
C.hang up
D.ring up