According to Lyderic Bocquet, which of the following is NOT mentioned as a factor influencing the bounces of a stone on water?
A. The clearness of the water.
B. The gravity of the Earth.
C. The shape of the stone.
D. The speed and spin.
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Which of the following certificates do you have to show for cashing your checks?
A. passport
B. credit card
C. I.D.card
D. bank book
What kind of metal did the Swiss team use to calculate the G's value?
A. gold
B. silver
C. mercury
D. lead
In order to make a stone bounce best on water, one needs to ______.
A. find a big, round stone
B. reduce the spin of the stone
C. make the stone spin as fast as possible
D. do some complicated mathematical equations
The latest study is very helpful in that ______.
A. it can take clearer pictures of teenagers' brains
B. scientists will meet with fewer, dangers in their research work
C. it may help scientists understand better the mental illness in teenagers
D. it may enable teenagers to experience fewer dangers during teenager years