根据函数的实根存在定理得到
f(1)•f(2)<0.
故选B.
— Who do you think should answer for Li Tianyi’s behavior?
— Actually, I think it is their parents_________.
A.who are blamed
B.that are to blame
C.which are to blame
D.what are blamed
在工程总承包中,按照合同约定工程总承包企业向()负责。
A.行政主管部门
B.业主方
C.项目管理咨询公司
D.监理方