观察法只适合在幼儿园进行社会领域的教育活动。( )
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阅读并回答问题A.教师出示了各种材料(果珍、白糖、小苏打、柠檬酸)。B.教师示范并说明配制饮料的方法。C.小朋友自己选用材料制作饮料。幼儿忙得不亦乐乎,争着将材料放人杯中,唯恐动作慢了让他人用完了材料,还不时有孩子在品尝自制的饮料。D.交流分享环节。教师请幼儿说说“你是怎么配制饮料的?”,竟没有一个幼儿能说出在杯中放了多少果珍、白糖、小苏打、柠檬酸。问题:以上四个步骤分别主要采用了什么教学方法?
Lesson 18 Traffic information-1 1.CTL 106, traffic 3 oclock, Boeing 747,1 , 2 at 2100meters
Lesson18traffic information Blank-filling-1 1.Center pacific 328, we have 1 of2 traffic 3uson the right, it appears that the traffic is 4 , can you 5 hat aircraft's 6 for us?
Lesson 18 traffic informaiton Blank-filling-3 3. Center, pacific 328, we have TCAS indications of __________traffic , it appears to be coming towards our level and ________, can you ______________of that aircraft ?