单项选择题

A．Many species have developed a habit of migration.
B．Many species have become less sensitive to climate.
C．Many new species have come into existence.
D．Many species have moved further north.
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单项选择题
A．He has nothing to do at that time.B．He just wants to have a break.C．He doesn’’t have math stuff.D．He gets a hundred on the last test.
A．He has nothing to do at that time.
B．He just wants to have a break.
C．He doesn’’t have math stuff.
D．He gets a hundred on the last test.
单项选择题
A．Seeing a film.B．Diving in the sea.C．Having a class.D．Doing an experiment.
A．Seeing a film.
B．Diving in the sea.
C．Having a class.
D．Doing an experiment.
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