2. 外语
  3. A cold current is approaching from the north. We must take immediate measures to ______ crops ______ the cold.

A cold current is approaching from the north. We must take immediate measures to ______ crops ______ the cold.

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问题 A cold current is approaching from the north. We must take immediate measures to ______ crops ______ the cold.
选项 A、protect, from
B、prevent, from
C、separate, from
D、free, from
答案A
解析 本题考查近义动词词义辨析。选择中，protect．．．from保护…不受(损害)等；prevent．．． from预防，阻止…不(做等)；separate．．．from分离，分开。free from使自由，放掉。A符合题意：寒流从北方袭来，我们必须采取应急措施保护庄稼免受严寒的侵袭。
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