题型:选择题 Do come here on Monday, _____ we, as planned, will take part in the gathering of AIDS prevention volunteers. [ ]A. then B. and C. therefore D. or 查看答案
题型:多项选择题 按水利工程计价规范,混凝土地下连续墙一般适用()。A.在砂卵石地基上建造防渗墙B.在松散土地基上建造支护墙C.在松散土地基上建造防冲墙D.在砂卵石地基上建造承重墙E.软弱地基加固 查看答案