Paragraphs 2 and 3 are written to
A.discuss the causes of climatic irregularities.
B.exemplify the abnormal effects of EI Nino.
C.explain the way in which EI Nino develops.
D.show the recent observations of scientists.
第2题
A、SqlDataSource
B、SqlConnection
C、DataSet
D、DataSource
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!