The author implies that which of the following is the type of scientific explanation most
A. Experimentation.
B. Reduction.
C. Interaction.
D. Generalization
查看答案
John's father couldn't drive himself.
A. Right.
B. Wrong.
C. Doesn't Say.
What actions can be taken to prevent people from cutting down trees？
A. To persuade the villagers to understand the importance of trees.
B. To provide the villagers with more money and food.
C. To set up a strict system of control and educate the people.
D. To ask the villagers not to be lazy or careless.
The tone of the author in this passage is most probably______.
A. concerned
B. objective
C. optimistic
D. indifferent
A．instructiveB．usefulC．harmfulD．proper
A. instructive
B. useful
C. harmful
D. proper
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