单项选择题

What is the proportion of giving birth to a triplet

A．1 in 1,500,000.
B．1 in 15,000,000.
C．1 in 150,000,000.
D．1 in 1,500,000,000.
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单项选择题
What did one woman say about the attack
A．The attack distorts the nature of the true resistance.
B．The attack helps build up the image of the true resistance groups.
C．The attack enhances the reputation of the true resistance groups.
D．The attack tarnishes the image of the true resistance.
单项选择题
The phrase other senses are largely ancillary (paragraph 1) is used by the author to suggest that______.
A．only those events experienced directly can be appreciated by the senses
B．for many human beings the senses of sights is the primary means of knowing about the world
C．smell is in many respects a more powerful sense than sight
D．people rely on at least one of their other senses in order to confirm what they see
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