1 . 语法填空
Benjamin Franklin’s famous experiment with lightning has introduced 1 (generation) of children to science. However, new research suggests that the story may be fiction instead 2 fact.
Franklin 3 (fly) a kite during storm in 1752, when there was much interest in electricity. Franklin raised the kite with a piece of string 4 (tie) to it. A metal key was attached to the string. After 5 experiment, he said that lightning was a form of electricity.
However, neither the story 6 the details of the experiment are entirely true because scientists all agree that if Franklin had 7 (actual) touched the key, he would certainly have died from the 8 (electricity) shock. Scientists often question accepted ideas because they want 9 (establish) the facts.
In science, facts should 10 (prove) by experiments and research, and we should not always believe everything we read or hear.