单项选择题

Which of the following is NOT mentioned as a reason that songbirds molt in the late summer

A．Fewer predators are in the woods.
B．The weather is still warm.
C．The songbirds have finished breeding.
D．Food is still available.
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单项选择题
We can conclude from the passage that the author is______.
A．unfavorable towards children receiving education in hospitals
B．in favor of the present state of teaching in hospitals
C．unsatisfied with the present state of hospital teaching
D．satisfied with the results of the latest survey
单项选择题
The author points out at the beginning that______.
A．every child in hospital receives some teaching
B．not enough is known about hospital teaching
C．hospital teaching is of poor quality
D．the special children's hospitals are worst off
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