根据FIDIC《施工合同条件》,建筑工程保险费、履约保证金等项目的工程计量适合采用()。
A.凭据法
B.估价法
C.均摊法
D.分解计量法
参考答案:A
不解方程,判断方程x2-x+2=0根的情况是______.
The worsening of global warming, _____human activities are to blame, has led to frequently extreme weather.
A.by which
B.for which
C.that
D.what