本次学习内容：
单词: fish, shark, whale, dolphin, squid, octopus, sea horse, turtle, starfish, shell
形容词: big, small, long, short, beautiful, ugly, safe, dangerous
句型: 'It is, they are (adjective).'
'This/That is a (marine animal).'
What is this/that?'
'It's (adjective).'
Yes, it can.', 'No, it can't.'
'Is it (adjective) or (adjective)?'
'Can a/an (animal) (action)?'
今日作业：
学生用书第32&33页
家庭作业本第32&33页
网络练习第4单元第2个游戏
