【简答题】阅读短文,选择正确答案。 As many as 10 of the 17 kinds of penguins (企鹅) may be in er of disappearing. The number of penguins have decreased (减少) by 30% since 1987. Penguins are black and white birds that live...
【简答题】What does the underlined word ' stifling' ( Paragraph 1) probably mean? [ A] Disappearing gradually. [ B ] Giving out into the air. [ C ] Hot and breathless. [ D ] Pleasing and comfortable.