According to the passage, what is the ideal way to solve the nigh[ shift problem？
A. To select the permanent night shift workers.
B. To find out the workers who suit night shift work.
C. To raise the workers' efficiency.
D. To shorten the workers' working hours. Part B
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The Wales' artificial mountain collapsed because
A. the mountain is artificial
B. the waste materials are piled up too much on the top of the mountain
C. the flood rushed over the waste materials
D. the mountain received an overwhelming amount of snow
Nepal suffers from landslides frequently because of
A. backward protection of plants
B. over-felling of trees
C. the frequent flood
D. the avalanche of alps
What did Diogenes really want to express in the third paragraph？
A. The man will be happy if his servants can wipe nose for him.
B. The man will not be happy until he loses his freedom.
C. The man's happiness is based on his lost freedom.
D. The man's happiness is based on his privilege.
Which of the following best reflects the author's attitude toward the future of cloning a
A. Disappointed and surprised.
B. Optimistic and longing for.
C. Pessimistic and deeply worded.
Doubtful and unhappy.
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