[单选题]It’s important to give her an emergency phone number（）the children get hurt or sick.

unless

in case

even though

as long as

正确答案：B

题目解析

本题考查词组辨析。
句意：给她一个紧急联系电话很重要，免得孩子们受伤或生病。
unless：除非；in case：以防，免得；even though：即使，尽管；as long as：只要。故B选项符合题意。

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[单选题]It’s important to give her an emergency phone number（ ）the children get hurt or sick.