判断题

芯头是指砂芯的外伸部分，不形成铸件轮廓，只是落入芯座中，用以定位和支承砂芯。

答案：正确

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多项选择题

What were Gore's findings from his scientific expedition in the North Pole? A.
the thinning up of polar ice cap B.
the rising temperature C.
the early snowmelt D.
Ozone Depletion

（）首创了中国茶道精神

答案： (1)
陆羽