题目内容
假定学生已经掌握三角形的高这个概念，判断学生掌握这个概念的行为标准是（）。
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现代教学媒体对教学的影响表现在（）。
Some years ago，Chinese high school students would show their new school bags，new clothes or new pens to their classmates when the new term started.Today，however，all have l6、（） If you still come back to school l7、（） 0nly these things，you are out—of-date（过时的）。Students in big cities like to bring the latest high.tech things to school，and feel happy and 18、（） to show off（炫耀）these things to 19、（）.Mobile phones，MP3 players，CD players，electronic dictionaries，the list is endless.Young people think that.1iving in the 21 st century，they must keep up with the 20、（） They don’t want to fall 21、（）.Besides，they think 22、（）they need to keep in touch with their classmates.SO they need mobile phones.They also like to 23、（）the pop music，SO they need CD players.They explain that，24、（）like electronic dictionarjes，these can be 25 in their study，26、（）.They think that their parents should understand 27、（）they want these things.Foreign students will also bring some latest high-tech things when they 28、（） to school at the beginning of a new term.29、（），they often use the money which they made by themselves during the holiday to 30、（）these high—tech things that they want. 18、（）
某班有四位同学，号称“四大金刚”，其中一个是班干部，三个是课代表。有同学反映，他们四个人抱成团，个个都很牛，谁对他们提出意见，他们不仅不听，而且态度不友好。如果你是他们的班主任，你该怎么做？（）
教师职业的最大特点在于职业角色的（）。
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