治疗SLE的首选药物为（）
A.环磷酰胺
B.糖皮质激素
C.环孢素
D.硫唑嘌呤
E.氯喹
参考答案：B
Tony: Good morning, Gina.
Gina: 小题1:
Tony小题2:
Gina: I’m Ok, Thank you.
Tony: 小题3:
Gina: It’s a jacket.
Tony: 小题4:
Gina: J—A—C—K—E—T, jacket.
Tony:小题5:
Gina: Yellow.
Tony: Thank you very much.
Gina: You’re welcome.
There _____ no hospitals in my town sixty years ago. [ ]
A. is
B. was
C. are
D. were
