题目内容：
It is normal for the waters at northern latitude 8 1 degrees，29 minutes to be covered with ice． 参考答案：
答案解析：
单选题：It is normal for the waters at northern latitude 8 1 degree
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The various unusual phenomena about climate change are mere
The various unusual phenomena about climate change are merely non-exist alarms
第39题应填__________.
第39题应填__________.
第30题应填__________.
第30题应填__________.
You should write a short essay entitled On the Importance er
You should write a short essay entitled On the Importance era Name.写作导航1．人们对名称
听音频，回答下列问题：
听音频，回答下列问题：A．Time and patience． B．Time and temperature． C．Patience and the shape