引种就是将异地的品种引入到本地区直接栽培的方法。
参考答案：错
After the professor, ____ out the project made a comment on the report, the media focused on it. [ ]
A. was opposed to carry
B. opposed to carry
C. opposed to carrying
D. opposed carrying
装饰、装修工程施工中，楼内孔洞的临边防护设施需临时拆除时，必须设（）
A.专人监护
B.隔离工作禁区
C.警示标志
