六级It is not clear how many colleges and universities plan to give out iPhones and iPods this fall; officials at Apple were unwilling to talk about the subject and said that they would not leak any institution's plans
目前还不清楚有多少高校计划在今年秋天推出iphone和ipod；苹果公司的官员不愿谈论这个问题，并表示他们不会泄露任何机构的计划
2013年6月阅读原文
高考Just how bad was it? The neighbors came out of their houses to see if we had a gas leak!
到底有多糟？邻居们从他们的房子里出来看看我们是否有煤气泄漏！
2015年高考英语四川卷 阅读理解 阅读B 原文
六级It is not clear how many colleges and universities plan to give out iPhones and iPods this fall; officials at Apple were unwilling to talk about the subject and said that they would not leak any institution's plans.
目前还不清楚有多少高校计划在今年秋天推出iphone和ipod；苹果公司的官员不愿谈论这个问题，并表示他们不会泄露任何机构的计划。
2013年6月阅读原文
四级Tightly sealed to prevent air leaks, the house was equipped with small double-paned (双层玻璃的) windows and several other energy-saving features.
为了防止空气泄漏，这所房子被严密地密封起来，并配备了小的双层板(双层玻璃的) 窗户和其他几个节能功能。
2001年1月大学英语四级(CET-4)真题
四级Because of such leaks, the air in an average home was replaced by fresh outdoor air about once an hour.
由于这种泄漏，一个普通家庭的空气大约每小时被新鲜的室外空气取代一次。
2001年1月大学英语四级(CET-4)真题
四级The impact of this sameness on our emotional energy is gradual, but huge: It’s like a tire with a slow leak.
这种相同性对我们情绪能量的影响是渐进的，但却是巨大的：它就像一个慢慢漏气的轮胎。
2006年12月大学英语新四级(CET-4)真题
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