A:15°
B:20°
C:30°
D:60°
读《陈情表》,下列各组词语在文中的意思解释错误的一项是( )
世界卫生组织将ClO2列为高效灭菌消毒剂,它在食品保鲜、饮用水消毒等方面有广泛用途.下列有关分析正确的是( )
-My parents our home for a few hours when I arrived. I didn't meet them.-You could call them if you wanted to know where they were.