长期应用可以导致成瘾的是
A．布洛芬
B．阿司匹林
C．对乙酰氨基酚
D．芬太尼
E．哌替啶
参考答案：E
计算：15°37′+42°51′=______．
The winter vacation is coming! I’m going to Paris with my daughter.
A．Nice to meet you
B．It’s very kind of you
C．Thank you very much
D．Have a good trip
