A century is, geologically speaking, a very short period of time. And so is a thousand years.上句中的And so is ...中so 是什么用法和含义? And so is a thousand years 主语省略了吗?so表示强调吗?
Most of the patients are elderly people with chronic articular diseases, like arthritis and ocular problems in particular. 大多数患者是患有慢性关节疾病的老年人,特别是关节炎和眼部问题。请问这句话里面and是并列的哪两个成分?
...dent Assessment (PISA), a triennial test of 15-year-olds around the world, and the Trends in International Mathematics and Science Study, which measures ten- and 14-year-olds.ten- and 14-year-olds.是"10-14岁的孩子"还是"10和14岁的孩子"?谢谢老师。
...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’...
... 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...