无症状细菌尿的治疗原则是
A.妊娠妇女必须治疗
B.老年人要予以治疗
C.老年人不予治疗
D.妇女不予治疗
E.学龄前儿童要予以治疗
参考答案:A,C,D,E
I want to use the same tools _______used in your factory a few days ago.
A.as was
B.which was
C.as were
D.which
对于一个十进制数–80,其二进制补码表示形式为多少?