3.5与12.8的和是多少?
3.5+12.8=16.3
The book, which is a useful guide for today''s young people, deals with many questions and problems that face them at school and at home as well as in society.
A.are faced
B.confront
C.in opposition
D.meet
一、二类吊装机械进出场时,其场地基础采取加固处理或打桩等措施,如何计取费用?