首报南极上空存在“臭氧洞”的人是()
A、德国
B、法国
C、英国
D、美国
参考答案:C
下图是两种细胞的亚显微结构示意图,以下说法正确的是
A.与图一细胞分泌抗体有关的具膜细胞器是②③⑤⑦
B.若图二表示根尖分生区细胞,则不应有的结构是②
C.图二细胞构成的组织适合做还原糖鉴定的材料
D.若将图二细胞置于KNO3溶液中,与质壁分离复原有关的细胞器是②③
_____ that we all went out, lying in the sun.
A.So fine was the weather
B.So was the fine weather
C.The weather was so fine was
D.So the weather was tine