单项选择题
A.>99.0% B.>99.5% C.>99.6% D.>99.90%
A.99.0 B.99.2 C.99.5 D.99.6
A.﹣47.7℃ B.﹣61.8℃ C.﹣82℃ D.﹣103.9℃