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[00:00.67]Unit 2 There are twelve boys on the bike.
[00:06.64]一、Listen and number. 听一听，排排队。
[00:15.48]1.M: There are six people in the photo.
[00:19.57]They are doing morning exercises.
[00:36.70]2.W: There is a sheep in the photo.
[00:39.34]It's eating grass.
[00:52.16]3.M: There are two birds in the tree.
[00:55.88]They are singing.
[01:07.30]4.W: There are five pigs in the photo.
[01:11.29]They are playing football.
[01:24.44]5.M: There is a lion in the photo.
[01:27.43]It is running.
[01:38.67]6.W: There are three girls in the photo.
[01:43.10]They are riding a bike.