6.Leonardo Da Dinci-------A.said that man would fly in the sky one day .B.built a kind of machine which never flew.C.made designs for flying machines.D.drew many beautiful pictures of birds.7.eight hundred years ago an Englishman ---------- A.made a kind of flying machine.B.tried to fly with wings wings made of chicken feathers.C.wanted to build a kind of balloon.D.tried to fly on a large bird.8.in fact,the Englishman who tried to fly------A.got badly wounded .B.succeeded in flying.C.lost his life .D.flew only 8 minutes.9.the very first air passengers in the balloon were---------A.two animals .B.the Montgolfiers .C.two Frenchmen.D.the kin and queen.10.when did two Frenchmen rise above Paris?A.in December 1783.B.in September 1783.C.in the 17th century.D.in November 1783.