用于制作玻璃钢安全帽的玻璃钢属于（ ）
A．金属材料
B．无机非金属材料
C．合成材料
D．复合材料
答案：D
— I didn't do well in the exam. What about you?
— I did _____ you. Maybe even worse.[ ]
A. not better than
B. no better than
C. as well as
D. not worse than
麻黄碱出口许可证由 （）
A.国家药品监督管理局签发
B.对外经济贸易合作部签发
C.海关总署签发
D.卫生部签发
E.国家工商行政管理总局签发
