A:How often do you eat tomatoes?
B:How often do you eat vegetables?
C:How often do you eat potatoes?
①洋葱根尖成熟区表皮细胞 ②蛙的红细胞
③人体浆细胞 ④乳酸菌细胞
⑤酵母菌细胞.
下图是某气象观测站一天中四次气温的观测记录,其中正确反映14时气温状况的是( )