What opinions did experts have about movements and transportation throughout history?

Take a look.

小题1:Which of the following experts was a science fiction writer?

A．Lord Kelvin

B．Lee Deforest

C．Leonardo da Vinci

D．Jules, Verne小题2: Leonardo da Vinci’s opinion was that _________.

A．airplanes would never fly

B．no person would ever reach the moon

C．people would fly in a machine with an overhead propeller

D．people would be able to travel under water in airtight ships小题3: How many experts’ opinion proved right according to the passage?

A．One

B．Two

C．Three

D．Four

《建设工程安全生产管理条例》中所提到的危险性较大的分部分项工程包括（）。

A.基坑支护与降水工程

B.土方开挖

C.模板工程D.脚手架工程

E.大体积混凝土浇筑工程