A、
Charles Darwin.
B、
Patrick Matthew.
C、
Alfred Russel Wallace.
D、
Matthew Wallace.
【正确答案】
B
【答案解析】
A、
Look it up in her textbook.
B、
Search on the Internet.
C、
Ask her professor for help.
D、
Go to the library.
【正确答案】
B
【答案解析】
A、
A clever clog knows everything in the world.
B、
All the living creatures have the same ancestor.
C、
Species can change into other species through natural selection.
D、
Ideas are transformative and can be united.
【正确答案】
C
【答案解析】
A、
Some of them died out because they couldn't adapt to their environment.
B、
They reproduced in large numbers to keep the species survive.
C、
Some of them developed the ability to change their surroundings.
D、
They all evolved into other species.
【正确答案】
A
【答案解析】
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