黄山比泰山垂直距离高出349米，这是指[ ]
A．黄山的海拔
B．黄山对于泰山的相对高度
C．泰山的海拔
D．一般高度
答案：B
It's said that __________ is going to give us a lecture.
A．an American famous young
B．a famous American young
C．a famous young American
D．a young famous American
乙脑病毒的储存宿主是
A．蚊
B．蝇
C．虱
D．蚤
E．蜱
