【名词&注释】
物理性质(physical properties)、人工降雨(artificial rainfall)、小苏打(sodium bicarbonate)、胃酸过多(hyperchlorhydria)
[单选题].下了各种物质的用途中,利用了其物理性质的是
A. 氧气用于气焊
B. 干冰用于人工降雨
C. 盐酸用于除铁锈
D. 小苏打用于治疗胃酸过多(hyperchlorhydria)
查看答案&解析查看所有试题
学习资料:
[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.
B. for
C. of
D. on
E. to
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