抗体介导的超敏反应有()。
A.Ⅱ、Ⅲ、Ⅳ型超敏反应
B.Ⅰ、Ⅱ、Ⅳ型超敏反应
C.Ⅰ、Ⅲ、Ⅳ型超敏反应
D.Ⅰ、Ⅱ、Ⅲ型超敏反应
E.Ⅱ、Ⅳ、Ⅴ型超敏反应
参考答案:D
Comparison may make something appear more beautiful than it is when ______ alone.
A.to see
B.seeing
C.is seen
D.seen
In front of ______ remained of my old house,I took some pictures,which called up my childhood.
A.where
B.which
C.what
D.the place