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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单项选择题

The second paragraph tells us （）

A．underground is convenient
B．the advantages of underground
C．we can have good food underground
D．you can spend the night underground

单项选择题

Which of the following is TRUE according to the 4th paragraph（）

A．Birds hardly pay attention to their young.
B．Baby crocodiles can look after themselves well.
C．Some dinosaurs took care of their young.
D．Birds and crocodiles take good care of their youn