【简答题】根据括号内的汉语提示,写单词完成句子。 1. She _____( 寄) a postcard to her mother yesterday. 2. Here is a map of ______( 欧洲). 3. I often swam in the ______( 湖) near my house when I was young. 4. My grandpa lives in the _...
【简答题】It seems to be strange to most of you that there is a blind spot on your eyes. Here is an interesting experiment that can make something disappear , when one eye is open. Make a card about the size of...