《中华民共和国产品质量法》规定的产品责任，归纳起来有（）、（）和（）等三种。
参考答案：明示担保；默示担保；产品缺陷
新生儿发生下列哪种吸入性肺炎最严重（）
A.羊水吸入性肺炎
B.乳汁吸入性肺炎
C.分泌物吸入性肺炎
D.胎粪吸入性肺炎
E.以上都不是
The new hospital will be located in _________ used to be a wasteland and a huge shopping mall will also be constructed ________ there used to be a school many years ago.
A．where; where
B．what ; in which
C．what ; where
D．which; where
