79．Why don’t girls often do sports?

78．关于短文大意的表述，正确的一项是__________．

A．Girls do less exercise than boys 

B．Girls need more exercise 

C．Girls don’t like exercise．

77．划线单词face的词性是__________，意思是__________．

76．What’s the Chinese meaning of the phrase“outdoor activities”？Can you guess？

74．If you are good at swimming．you will not died in water．

73．only students died in water．

72．We shouldn’t swim in some wrong places．

71．Swimming is a very safe sport．