people have always marvelled (1)______ lightning even though they were unable to (2)_______it.The Greeks thought that lightning was a killer bolt thrown to the earth by the god Zeus to (3)____ his anger.In Viking mythology, lightning came from Thor's hammer and thunder from the wheels of his chariot as it was (4)_____ across the sky by two goats. In some cultures, lightning was considered a sign of good (5)_____ and places touched by it were considered special and magical
The nature of lightning was a (6)______ mystery until 1752.An American scient'st named Benjamin Franklin (7)______ its secrets.In an experiment with a tiny cell, he made a small spark of electicity. He wanted to find out (8)______ that spark was the same as lightning.During a storm, he (9)____ a kite high above the ground. (10)______ to it was a key. When a lightning bolt struck the kite, the energy went down the string to a key (11)_______ in a bottle. The key glowed and produced a electic spark proving Franklin (12)______.He had discovered that lightning was really an electric spark .Although he knew what it was, (13)______ would be many more years (14)_____ scientists were able to explain (15)______ lightning is creared
1, A,about B.at C.with D.over
2,A.explain B.account C.interpret D.solve
3, A.express B.indicate C.signal D.show
4. A.run B.directed C.pulled D.pushed
5.A.fortune b.luck C.opportunity D.chance
6. Acomplete B.whole C.quite D.perfect
7.A.invented B.revealed C.discovered D,disclosed
8. A,so B.such C.about D.if
9.A.drove B.flew C.controlled D.steered
10. A, attached B.connected C.stuck D.clinging
11.A.contained B.enclosed C.placed D.inserted
12.A.reasonable B.sensible C.right D.correct
13. A,there Bit C.he D.they
14. A.before B.when C,that D.after
15. A.what B.when C,how D.where
1 B => frightened
2 C => were taken
3 A => were helped
4 B => composed
5 D => announced
6 A => is made
7 C => was
8 C => accompanied
9 A => wasgiven
10 C => very worried