This is a s__81____ of twin brothers, Justin and Paul. Their friend Susan calls them for h__82____. Justin and Paul drive to Hill Building q____83____. Three man in police uniform p___84___ them into a green van. They are not p__85_____. They are the robbers. The twin brothers aren’t a____86___. Paul opens the back door of the van w__87____ a knife. They take different r___88____ to the police station. They meet the robbers a____89__ in the police station. They are s____90_____. The policemen stop the van because the back door of the van is open.

第一部投入科学应用的实用望远镜是哪位意大利科学家发明的？（）

A.牛顿

B.伽利略

C.爱迪生

D.瓦特