治理黄河的根本措施是 [ ]
A．修建水库
B．加强中游黄土高原地区水土保持综合治理
C．在下游加固黄河大堤
答案：B
The little girl _____ go out at night and often imagined _____ a monster following her
A．dared not；there being
B．dare not；there being
C．did not dare；there to be
D．didn’t dare to；there be
茯苓、猪苓均含多糖类成分，有增强免疫和抗肿瘤作用。（）
