如果一个角的补角是150°，那么这个角的余角的度数是[ ]
A．30°
B．60°
C．90°
D．120°
答案：B
Cindy has come to a new school where she doesn't _____, so she feels lonely and unhappy. [ ]
A. catch up
B. show up
C. fit in
D. put up
治疗Wernicke脑病用用的药物是什么？（）
A.维生素A
B.维生素CC
.维生素B2
D.维生素B12
E.维生素B1
