类风湿关节炎治疗中哪项不良反应多，现已很少应用（）。
A.青霉胺
B.金制剂
C.雷公藤
D.免疫抑制剂
E.氯喹
参考答案：E
You should try to get a good night's sleep ____ much work you have to do. [ ]
A. however
B. no matter
C. although
D. whatever
当物距______时，成______、等大的______．
