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4．Make sure that young children can not ______ pools，lakes and rivers by themselves．（　　）
A．get closedB．get close toC．close toD．get close．

分析 確保孩子他們自己無法靠近水池、湖泊或者是河流．

解答 答案：B
解析：分析句子結構可知，that后面的賓語從句中缺少謂語；故C選項直接排除．根據句意"確保孩子獨自無法靠近水池、湖泊或者是河流"可知A選項（closed意為"關閉的"）排除；be/get close to意為"靠近/接近…"，故D選項排除．綜上，本題答案為B選項．

點評 本題考查動詞短語的辨析，做此類題題目時一定要清楚各個選項的含義及用法，再結合句意及其它要求選出最終答案．

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