下列环境保护管理检查内容中属于根据行业特点而确定的有（）。
A.清洁生产
B.移民工程
C.海洋生态保护
D.施工期扰民现象
参考答案：A, B, C
Tom insisted _____ history instead of business at university, but his mother insisted that he _____ her advice. [ ]
A. on studying, take
B. to study, must take
C. on studying, took
D. in studying, should take
下列哪种药物不是用于抗病毒？（）
A.干扰素
B.金刚烷胺
C.齐多夫定
D.阿昔洛韦
E.头孢曲松
