Most of these diseases have been around for many centuries, but only in the 20th century did doctors devise tests to identify them or medicines to cure them.请问这里为什么用or而是and，和倒装有关系吗，谢谢老师
We are the only ones from our family.请问老师：1 这句话是什么意思？2 介词from表示以下哪个意思更合适？from our family作定语修饰the only ones吗？(1) used to show where sb/sth starts(2) used to show what the origin of sb/sth is
...Foreign Students. Book 4 by Eckersley”P30上找到了类似的句子： That’s splendid! He must be
very pleased about it, isn’t he ？ The
Cambridge Grammar of the English Language 2002 by Rodney Huddleston在P1540上也有一句：Must be time for bed, isn’t
it? 我的看法是：上面...
...st for The New York Sun, wrote about letting her son take the subway alone to get back to her Manhanttan home from a department store on the Upper East Side, she didn't expect to get hit with a wave of criticism from readers有3个疑问：1. 介词短语 from a department store on the Upper Eas...
...ion combined with NMR and multivariate statistical method all demonstrated that the effects of metabolite changes on food flavor could be analyzed more intuitively.combined with 和 and 是否用于表示三者并列，同时出现是否重复？metabolite changes是否应改成changes on metab...
...ewly fashionable health-savings plans are spreading from legislative halls to Wal-Mart workers, with much higher deductibles and a large new dose of investment risk for families's future healthcare.参考译文：医疗保健的绝对费用以及家庭承担的份额都在增加----新的时尚...
老师您好，下面2个例句：He hitchhiked to Dover and,towards evening,went into a boat to find somewhere to sleep.(本句中插入语为towards evening，位置在实意动词went前)Here you can see two workers who,between them,have just finished cutting three cartloads of gloden brown macar...
I was scared as I watched them give up building their tunnels to carry the bodies to a corner of the farm.①句中的as是引导原因状从还是时间状从(当…时）呢？②to carry the bodies这个不定式作什么成分呢？
In the 12 monthes of working and studying,the students chefs learn kitchen skills as well as the importance of using fresh meat and vegetables and how to create new dishes.老师：这句话是什么意思，as well as 有什么用法谢谢！
各位老师帮我看看我的分析对不对？① On October 23rd nearly 84,000 Americans tested
positive, a record. record是nearly 84,000的同位语。② Only about 40% of voters plan to cast ballots in
person on election day, though, a record low. 这里的low也是名词。③ For 2021 the n...