上面的句子来自2019版人教版高中英语新教材必修一的 Unit 5（p60）。How many billion people speak the UN’s official
languages as their native or second language?句中用 billion 是为了表示“多”吗？去掉也可以吧？
...法，好像都只是后接数字。如：You can pass with as few as 60 points. 需要60分就可以及格。As few as one in 6, 000 people becomes seriously ill. 在6000人中仅有一人病得很重。We may make as few as 2600 machines this year. 今年我们可能只生产2600台机...
CNN新闻节选：Because they've got so much isolation going on intheir environments.This isolation is bringing with it a huge toll because we as humans are so accustomed to togetherness.1） bring sth 和 上面句中出现的bring with sth 究竟含义有何区别？2）麻烦老师分析is brin...
It is said that every boy and girl in this school must have___hair cut
short. 专四答案中是认为是选his其答案解析是：当every和each修饰两个由and连接的单数可数名词，且两个名词一个为阴性，一个为阳性，其物主代词用his。不知道这是否正确？
Time is up. Let's come back to ( ) the exercise.No,Jim is still playing outside. we should wait for him to come back to ( )together.A. do,beginningB.doing,beginningC.doing,begin.答案为C，两部分结构一样，为啥选的不一样。老师给记过 back to doing。如果第二句不...
Based on recent researches, distance learning slowly proves as valuable as the traditional campus-based form.该句中 based on 这里是独立成分吗？还是状语从句的省略？如果是状语从句的省略？如何还原？
Packaged foods are manufactured outside the home for purchase. This can be as simple as a butcher preparing meat, or as complex as a modern international food industry.其中的 as simple as 第一个 as 做副词，第二个 as 做连词，做比较状语后面 as complex as 相同？as s...