单项选择题

The word "innovations" in the second paragraph means _________.

A．new theory
B．new phenomenon
C．changes
D．new inventions
<上一题 目录 下一题>
热门 试题

单项选择题
According to Leo Hickey of Yale University, which of the following may have spawned more advanced species of land animals
A．The barren ocean floor.
B．The Arctic.
C．The rain forest.
D．Temperate Zones.
单项选择题
Which of the following may be an appropriate title of the passage
A．Darwin's Theory Modified.
B．How Animals Evolve.
C．Evolution in Hard Places.
D．Where Did Large Sea Animals Originate.
相关试题