鳃间隔发达的鱼类是（）。
A.鲤鱼
B.白斑星鲨
C.小黄鱼
D.鳜鱼
参考答案：A
生物恐怖事件具有的特点不包括（）
A.突发性
B.易行性
C.隐蔽性
D.欺骗性
E.造价昂贵
After five hours’ drive, they reached ____ they thought was the place they had been dreaming of.
A．what
B．that
C．which
D．where
