Besides lights, lighthouses today have ______.
A. fire
B. horns
C. lamps
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In the end, Bill was found dead.
A. 真
B. False
A．affordB．offerC．supplyD．grant
A. afford
B. offer
C. supply
D. grant
The beginning of the passage indicates that
A. researchers have found out what shapes us.
B. our peer is the last factor influencing us.
C. what researchers found contributes in a limited way.
D. what researchers found is good and trustworthy.
A．unnecessaryB．uselessC．randomD．impolite
A. unnecessary
B. useless
C. random
D. impolite
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