由于澳大利亚大陆很早以前就同其他大陆_________，自然环境__________，生物进化________，因此有许多古老、原始的动物。
分离；单一；缓慢
— Do you want anything else for your birthday?
— Nothing else. I'm very ____ with what you've bought me. [ ]
A. satisfying
B. disappointed
C. content
D. honest
.________ the warning message, more lives would have been lost in the flood.
A．Regardless of
B．In spite of
C．But for
D．Except for
