对银屑病诊断有意义的检查方法是（）。
A.斑贴试验
B.Wood灯
C.鳞屑刮除法
D.划破试验
参考答案：C
Lucy will have learned English for 8 years by the time she ____ form the university next year.
A．will graduate
B．will have graduate
C．graduates
D．is to graduate
关停级别中最高关停级别是（）。
A、0级关停
B、一级关停
C、二级关停
D、三级关停
