第一章测试
1.Octopus is not a fish( )
A:对 B:错
答案:A
2.All fish can swim( )
A:对 B:错
答案:B
3.Rays don't drink water( )
A:对 B:错
答案:A
4.Australian box jellyfish is highly toxic( )
A:对 B:错
答案:A
5.The sex of turtles at birth is determined by chromosomes( )
A:对 B:错
答案:B

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