-
Researchers found that only people who were seated in individual - had a high risk of catching the illness.
2019年12月四级真题(第一套)阅读 Section A
-
Therefore, these new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.
2019年12月四级真题(第一套)阅读 Section A
-
They had a less than 3 percent chance of catching the flu.
2019年12月四级真题(第一套)阅读 Section A
-
Waiters, keen observers of humanity that they are, are catching on to this; in one poll, a full 30% said they didn't believe the job they did had any impact on the tips they received.
2016年12月四级真题(第一套)阅读 Section C