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砖石工程进行冬期施工的温度界定是（）。 ["A.连续10天平均气温低于-3℃ ","B.当日最低气温为0℃ ","C.连续10天平均气温低于5℃ ","D.当日最低气温为-5℃"] A Windows Communication Foundation (WCF) client application is consuming an RSS syndication feed from a blog.You have a SyndicationFeed variable named feed. The application iterates through the items as follows.(Line numbers are included for reference only.) 01 foreach (SyndicationItem item in feed.Items) 02 { 03 } You need to display the content type and body of every syndication item to the console.Which two lines of code should ou insert between lines 02 and 03?（） ["","","",""] 生态因子作用作用特征包括（）、（）、（）、（）、（）。 鼓形控制器触指磨损到4~5mm厚或触片磨损到（）厚时，均须更换。 ["1~1.5mm","1~1.6mm","1~1.7mm","1~1.8mm"] 什么是黑盒测试？黑盒测试的主要方法有哪些？ 热带辐合带