That “old” would vary between nations makes sense, especially between more and less developed countries, with differences in education, death rates, access to health care and life expectancy.大概的成分分析，不太理解后边especially和between and为什么一起搭配?
...更新）▲P15▲between teenagers and parents 的说法对吗▲P16▲once可以用作形容词作定语吗rate to 是什么用法▲P17▲the
key to doing sth 与 the
key to do sthand that 引导什么从句▲P18▲feel 是及物动词还是系动词(feel
the same way)▲P19▲a
group of que...
Although the woods are so attractive and luring the speaker to stay forever. But after the harsh struggle, the speaker has made his decision that he has responsibility to fulfill in the real world andit is not the time for him to rest.请问：句中的although是否要删去（因为后面有but...
...oom—a women's group that had invited me to join them. Throughout the evening, one man had been particularly talkative, frequently offering ideas and anecdotes, while his wife sat silently beside him on the couch.译文：有一个女性团体在佛吉尼亚郊区的一间会客室里举行了...
...t that took a shorter path returns first, its pheromone trail is stronger, and other ants will follow it, according to rule 2.Because an ant that took a shorter path returns first.这句是原因状从吗？that这里是不是做介词-那样的。 took是V，那么returns是什么成分呢？...
...ons, I was considering
this while working as a nurse just a few weeks ago. Andit came to me then how
much easier it would be if we had a range of words that express different
grades of gratitude.请教老师加粗部分句子的结构怎么分析：1.主干句子It
came to me then how much easier i...
...now volunteers to help kindergarten students with reading two days a week, and
on a third day, he instructs the school’s first-
and second-graders. After dropping the kids off at school, of course. Every
child looks up to Cruse, both on and off the school bus. “Herman is super
positive and he’...
This year's scale of ice-and-snow sculptures in the park is the
largest since
it first opened in 1999, said Sun Zemin, marketing director of Harbin Ice and
Snow World Park Co., Ltd., the theme park's operator.这种句子更常见用完成时，而这里却用了一般现在时，为什么？各自...
... the action of indigenous enzymes is essential to develop the final flavor and texture in products such as fruits and vegetables，tenderizing of meat, ripening of cheese, and conversion of starch into fermentable sugar.the action of indigenous enzymes is essential是主系表的主句， 不...