单项选择题

In the second paragraph, the term "in effect" means （）.

A．in fact
B．it is doubtful
C．often
D．without reason

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单项选择题
25（）

A．courses
B．places
C．courts
D．playground
单项选择题
According to the passage, it is believed that Flores Human （）

A．was dwarfed by its enemies
B．could use language
C．left a lot of fossils in the hot and wet environment
D．reached Flores 40,000 years ago
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