:6.D【解析】细节理解题。根据第三段中的 I went todifferent classes.. was surprised to see there weren'tmany computers, and other forms of technology that arehought to be necessary for teaching in the US可知,作者发现这所德国学校的教室里面并没有很多高科技的设备
7.B【解析】推理判断题。根据第四段中的 I was greeted with many kinds of fresh sandwiches, and bread andbutter topped with tomatoes and cheese for a total of closeto l euro kA K no wonder the food looked and tasted sodelicious可知,作者认为食堂的食物物美价廉。