1、The Xuan paper is made in Xuanzhou of_____ Province.
A、Anhui
B、Hunan
C、Hebei
D、Jiangxi
2、Cai Lun invented movable type printing.
3、The invention of technique of printing greatly sped up the international development of culture and exchanges. It is no doubt that the movable type printing is one of the greatest contributions to the world.
4、Sinan comprised a smooth plate carved with directions; the handle of the spoon pointed ______, and the head ______.
A、south north
B、north south
C、east west
D、west east
5、Since niter, the major raw material of the gunpowder, is as white as snow, Arabians called the gunpowder _____ and ______ .
A、“Chinese Snow”,“Chinese Salt”.
B、“Chinese Salt”,“Chinese Snow”.
C、“Chinese of Salt”,“Chinese of Snow”.
D、“Chinese of Snow”,“Chinese of Salt”
6、The first quantum communication satellite was named after Chinese ancient scientist _____ for his early achievements in physical optics.
A、Laozi
B、Mozi
C、Kongzi
D、Zhuangzi
7、Jiaolong is the first operational deep-sea manned submersible designed independently in China. It is the most capable operational manned submersible in the world at present.
8、In 2012, Jiaolong manned submersible made a 7000 meter sea trial. Before that, only the US, France and Russia had manned deep submarines in the world.
9、Yuan Longping is an expert on hybrid rice breeding in China and a pioneer in the research and development of hybrid rice in China.
10、In the spring of 1961, Yuan planted the seeds of the mutant in a pioneering field, proving that the plant, discovered in 1960, was a "natural hybrid rice".
