题目

—How do observers watch birds? —At times they ________ them quietly；at times they use telescopes. A．approach                          B．catch C．shoot                             D．wound 答案：A　句意：——观测者怎样观察鸟？——有时他们悄悄地靠近观察，有时他们用望远镜观察。approach靠近，接近；catch抓，捉；shoot射击，射中；wound(用武器)伤害。结合句意和选项可知A项切题。

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