单项选择题

A．They extend their water pipes.
B．They give out faint cries.
C．They make noises to drive away insects.
D．They become elastic like rubber bands.
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单项选择题
What is the difference between a student and a professional writer towards their first draft
A．A professional thinks his first draft is better planned.
B．A student is less confident than a professional about the first draft.
C．A student will read his first draft more seriously than a professional.
D．A student sees the draft as his final work, while professional sees it as the initial of his work.
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