中学时代是青少年的黄金时代,我们应该 [ ]
A.把主要精力放在学习上
B.抓紧时间多结交异性朋友
C.多参加各种公益活动
D.加强修养,不断完善自我
ACD
Some students held the view ______ surfing the Internet was good for their study.
A.that
B.what
C.when
D.Which
急性菌痢患者,患者可能出现的体征是()
A.右下腹反跳痛
B.右上腹反跳痛
C.全腹压痛,肌紧张
D.脐周压痛
E.Murphy征阳性