四级She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.
她计算出,如果左半球在陌生的环境中保持警觉以保持警惕,那么它会对不规则的嘟嘟声做出反应,将人们从睡眠中唤醒,并忽略定时的嘟嘟声。
2017年12月四级真题(第一套)阅读 Section C
四级I've had the idea for some time that Jack Green's been busy stirring things up in connection with the latest wage claim.
一段时间以来,我一直认为杰克·格林(Jack Green)一直在忙着为最近的工资索赔挑起事端。
2016年12月四级真题(第一套)听力 Section B
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