A/G比例倒置()
A.急性心肌梗死
B.肝硬化
C.原发性肝癌
D.急性胰腺炎
E.前列腺癌
参考答案:B
要使方程3x2+(m-5)x+m2-m-2=0的两根x1,x2分别满足0<x1<1和1<x2<2,实数m的取值范围应是( ).
A.-2<m<1
B.-4<m<-1
C.-4<m<-2
D.
E.-3<m<1
I haven't been home to see my parents for two weeks; I _____ them. [ ]
A. can't wait see
B. can't wait to see
C. can wait for
D. couldn't wait for