A.1:4
B.1:2
C.1:
D.1:1
答案:B
I am one of the students who _________ English well in my class but he is the only one of us __________ maths well.
A.studies; learns
B.study; learns
C.study; learn
D.studies; learn
上报工程险项目时,应提供:()
A、可行性研究报告或初步设计
B、工程概况;
C、工程合同;
D、工程计划进度表
E、地形地貌、地质、水文、气象报告
F、工程量清单