Module 1
训练1 lt's more than twenty thousand kilometres long.
训练2 lt's in the west.
训练3词汇专项
训练4句型专项
训练5语篇专项
Module 1自主检测
Module 2
训练1 There's Chinese dancing.
训练2 There are lots of beautiful lakes in China.
训练3词汇专项
训练4句型专项
训练5语篇专项
Module 2自主检测
Module 3
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