正确答案: B
干冰用于人工降雨
题目:.下了各种物质的用途中,利用了其物理性质的是
解析:B
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[单选题]BThis is a photo (11) my family. (12) are my grandparents.Those are my (13) .This is my uncle (14) that is my aunt. This boy is my (15) .He is my un-cle’s (16) .(17) name is Ed. This girl (18) me.My name is Kate. I (19) twelve. I love (20) family.
of
解析:11.B 【解析】a photo of...意为“一张……的照片”。