P20 4-1 Listen and number Listen and number P20 4-2 Pronunciation Pronunciation P20 4-3 Teach yourself Teach yourself P21 4-4 Tips Tips P21 4-5 Listen and tick Listen and tick P22 4-6 Reading Reading P23 4-7 Listening IV. Listen to the passage and fill in the blanks. P24 4-8 Magic world Magic world 活动手册 P19 4-1 一、听录音，选择所听到的选项。 P19 4-2二、听录音，将图片重新排序。 P23 4-3 一、听录音，根据所听句子回答问题。