一根绳子截去2米后，剩下的是截去的3倍，这根绳子长6米．______．
2×3+2，
=6+2，
=8（米），
答：这根绳子长8米．
故答案为：错误．
属于条件致病菌的是
A．乙型溶血性链球菌
B．肠产毒性大肠埃希菌
C．脆弱类杆菌
D．伤寒沙门菌
E．淋病奈瑟菌
— You promised to come to my dinner party last night but you didn't turn up.
— I _____, but something unexpected happened just before I left. [ ]
A. would like to have
B. should like to
C. am going to
D. like to
