【简答题】小明探究水沸腾时温度变化的特点,实验装置如图甲所示。 ( 1 )加热一定时间后,温度计的示数如图甲中所示,此时水的温度为 ____________度 。 ( 2 )你看出图甲所示实验中的不当之处了吗?请写出你的改正措施 ____________ ,这样做的目的是 ____________ 。 ( 3 )改正错误后,继续实验,记录的数据如表,分析表中数据可知, 1水的沸点为 ____________...
【单选题】a discussion between two students about a project they are doing
【简答题】操作查询共有四种类型,分别是删除查询、生成表查询、【 】和更新查询。
【单选题】What kind of ticket can you book, if you want to enjoy more comfortable treatment in flight?
【简答题】It’s known to us all that elephants are the biggest animals on land. There are two kinds of elephants: African elephants and Indian elephants. The African elephant has a round head and very big ears. ...
【单选题】目前我国与欧洲正在广泛使用的GSM(全球通)手机属于( )移动通信
【简答题】Section C: I promise you are going to enjoy your stay here in our city. This is a beautiful, quiet city where you can 11 , sit by the beach,enjoy great meals and feel safe. You can walk into town and ...