题目内容

急性心肌梗塞后产生三种类型心电图改变是:

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The children have some apples.(改为单数句子)____________________________________

We can see some birds over there.(对画线部分提问)_________________________________________

The boys like to listen to music when they do ______ (they) homework.

We would brush our _______ (tooth) twice a day.

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