登录
5 Calculate and write. 算一算，写一写。
答案
eight + seven = fifteen
nineteen - two = seventeen
two × nine = eighteen
twenty ÷ four = five
nineteen - two = seventeen
two × nine = eighteen
twenty ÷ four = five
6 Read and match. 读一读，连一连。
答案
第一段文字连第三幅图；第二段文字连第二幅图；第三段文字连第一幅图 。
解析
本题需要根据每段文字描述，与对应的图片进行匹配。
第一段文字：“Look! There is a river. How nice! I see some fish in it. There are two pigs and three rabbits on the farm.” 描述了有一条河，河里有鱼，农场里有两头猪和三只兔子，与第三幅图匹配。
第二段文字：“Look at this farm. I see a bird in the tree. There are thirteen ducks in the river. There is a cow under the tree.” 描述了农场里树上有一只鸟，河里有十三只鸭子，树下有一头牛，与第二幅图匹配（图中虽不能精确数到13只鸭子，但能从画面元素对应，有鸭子、鸟、牛且场景是农场河边 ）。
第三段文字：“This is a farm. There is a horse under the tree. There are four sheep on the grass. I see a hen and a chick.” 描述了农场里树下有一匹马，草地上有四只羊，还有一只母鸡和一只小鸡，与第一幅图匹配。
第一段文字：“Look! There is a river. How nice! I see some fish in it. There are two pigs and three rabbits on the farm.” 描述了有一条河，河里有鱼，农场里有两头猪和三只兔子，与第三幅图匹配。
第二段文字：“Look at this farm. I see a bird in the tree. There are thirteen ducks in the river. There is a cow under the tree.” 描述了农场里树上有一只鸟，河里有十三只鸭子，树下有一头牛，与第二幅图匹配（图中虽不能精确数到13只鸭子，但能从画面元素对应，有鸭子、鸟、牛且场景是农场河边 ）。
第三段文字：“This is a farm. There is a horse under the tree. There are four sheep on the grass. I see a hen and a chick.” 描述了农场里树下有一匹马，草地上有四只羊，还有一只母鸡和一只小鸡，与第一幅图匹配。
