平面上3条直线最多有( )个交点 [ ]
A.3
B.1
C.1或3
D.2
答案:A
青年男性,发热2天,体温37.8~39.1℃,腰部胀痛,尿频、尿急,解黄色稀便1次,无咳嗽咳痰,此患者最可能的诊断为()
A.急性肠炎
B.伤寒
C.大叶性肺炎
D.疟疾
E.急性。肾盂肾炎
The city library is on Green Street. You take a bus. It’s only about walk.
A.need to, five minutes’
B.may, five minutes
C.don’t have to, five minutes’
D.can, five—minute