...esponse, shortages in N95 surgical face masks
still occur. Many people who aren’t health workers, but still want N95s and
can’t get hold of them, jerry-rig homemade cloth masks, which researchers say
are less effective.应对新冠疫情已经有几个月了,N95外科口罩短缺的情况依...
... this second analysis, neither the comp-element nor the comparative
clause are clause elements.(比较成分和比较分句都不是分句成分)如果都不是的话,那应该是哪个啊?这个分句成分指的是哪个?我不太懂这个。夸克说的和剑桥英语语法是一样的...
The less sleep you get, the less time the brain has to regulate stress hormones, and over time, sleep deprivation could permanently hinder the brain’s ability to regulate these hormones, leading to elevated blood pressure. 请问老师 leading to是动名词作主语吗?谢谢
原句:When you buy apples at the store, your choice is limited to the 12 or
more kinds available for sale.老师们,请问这里:1. Your choice,为什么是个单数形式,这个属于特指还是泛指呢?2. your choice is limited是个什么结构?后面的to.....又作什么成分...