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一个酒杯的轴截面是抛物线x²=2y（0≤y＜15）的一部分，若在杯內放入一个半径为3的玻璃球，则球的最高点与杯底的距离是______．

—Have you ever been to Australia?

—No. I’d like to,       .

A．even

B．though

C．too

D．meanwhile

The animals that are having winter sleep look___________     dead. You can't wake them

up by touching.     [ ]

A. as well as                      

B. as good as      

C. as far as                          

D. as soon as

产地检疫中进行群体检查时包括（）

A.静态检查

B.体温检查

C.动态检查

D.饮食检查

间