四级Instead of giving people practice, the gradual reduction likely gave them cravings ( ' , 瘾) and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.

而不是让人们练习，逐渐减少可能会给他们带来渴望（'，瘾) 甚至在戒烟日之前就出现了戒断症状，这可能就是为什么这组人中很少有人真正做到这一点的原因。

2017年6月阅读原文

高考If we go somewhere and I ask him to leave the phone at home, he suffers from withdrawal symptoms.

如果我们去某个地方，我让他把电话留在家里，他就会有戒断症状。

2015年高考英语上海卷 语法填空 B 原文

四级Instead of giving people practice, the gradual reduction likely gave them cravings 瘾 and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.

这种逐渐减少可能会让人们产生渴望，而不是让人们练习瘾 甚至在戒烟日之前就出现了戒断症状，这可能就是为什么这组人中很少有人真正做到这一点的原因。

2017年6月四级真题（第三套）阅读 Section C

四级They show fewer withdrawal symptoms.

他们表现出较少的戒断症状。

2017年6月阅读原文

四级No one is claiming the effect of sugar is quite that strong, but, says Brownell, “it helps confirm what people tell you sometimes, that they hunger for sugar and have withdrawal symptoms when they stop eating it.

没有人声称糖的作用那么强烈，但Brownell说，“它有助于证实人们有时告诉你的事情，即他们渴望糖，当他们停止吃糖时会出现戒断症状。

2012年12月大学英语四级真题试卷（1）

四级Instead of giving people practice, the gradual reduction likely gave them cravings (瘾）and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.

这种逐渐减少的做法非但没有让人们练习，反而可能让他们产生食欲(瘾）甚至在他们达到戒烟日之前就出现了戒断症状，这可能就是为什么这一群体中真正达到这一点的人更少的原因。

2017年6月大学英语四级真题（第2套）

考研Dependence is marked first by an increased tolerance, with more and more of the substance required to produce the desired effect, and then by the appearance of unpleasant withdrawal symptoms when the substance is discontinued.

依赖性首先表现为耐受性增加，产生所需效果所需的物质越来越多，然后在停止使用该物质时出现令人不快的戒断症状。

1997年全国攻读硕士学位研究生入学考试英语试题