Figure 4: Team 1 Self Check iterative detail

图4：团队1 的Self Check迭代细节

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Figure 6: Team 2 Self Check iterative detail.

图6：团队2的Self Check迭代细节。

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Self-check: Tick the ball games you know.

你都知道哪些球类运动呢？请打勾。

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Self-check: Tick the ball games you know.

你都知道哪些球类运动呢？请打勾。

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