如图所示,考古人员需要对一口占井进行清理,为了解决照明问题,请你帮他们把太阳光反射到井里,并能垂直照亮井底。
如图:
下列事例中属于光的反射现象的是:( )
— Not really. It only _________ eighty yuan.
Vienna is famous for having many great musicians. ____, Johann Strauss the younger wrote hundreds of wonderful pieces of music there.