进行有关氢氟酸的分析,应在下列哪种容器中进行。()
A.玻璃仪器
B.石英器皿
C.铂制器皿
D.塑料器皿
E.瓷器皿
参考答案:C, D
She is fond of _____ after school.[ ]
A. play basketball
B. to play basketball
C. playing basketball
D. plays basketball
电离辐射致放射损伤的细胞学基础是
A.DNA损伤的错误修复B.短时间内接受超过一定量的照射,许多细胞死亡或无法修复C.细胞膜损伤D.线粒体损伤E.染色体畸变