...面的比较对象不一致：This visit is very different from / to last time. 这次的访问与上次大不一样。在这个句子中，this visit 与 last time 不能相比较吧！我觉得应该是将“这次访问”与“上次访问”作比较，而不是将“这次访问”与“上次...
...gical well-being in older adults. A 2010 study documented that association when it came to sleep quality, but sleep quantity didn't show the same effects.这里A 2010 study documented that association when it came to sleep quality和but…是两句话并列吗？
The United Nations 的意思是“联合国”，它是一个机构，所以作主语时谓语动词通常是单数的。比如：The United Nations is an international organization. 联合国是个国际性组织。The United Nations has issued a condemnation of the regime. 联合国发表声明谴...
我在书上面看到的是用 before the law 表示“在法律面前”，比如：
Everyone is equal before the law. 法律面前，人人平等。
请问 before the law 可以不用冠词，说成 before law 吗？因为我看到有这样的句子：
Children not admitted by law...
...sing. 这是我第一次听见她唱歌。（不能说：This is the first time that I hear her sing. ）我认为，在first和that 之间应该有一个time （可能是排版时漏掉了），原因是：（1）这个例句前面的标题是：“This is the first time 等”。(2)该书第...
一般情况下，And 连接两个名词要用定冠词修饰时，后面的the可省略，但是and前后单复数形式不一样怎么处理呢？如下：The physical properties of the filling materials and the SC, and the main parameters for FEM calculation were listed in Table 3.SC前的the可...
...und the letter in the kitchen.可以解释为The letter was in
the kitchen when I found it.既然前面章振邦《新编高级英语语法》P636，都可以把the boy under 18 的under 18看成无动词分句，为啥这个地方夸克没这样说？in the kitchen和the letter是主谓关系，这...
这个题目曾经问过（http://ask.yygrammar.com/q-6604.html），但今天再看，又感觉看不懂了。我想问：They have made medicine from a new plant used as a cure for fever. 如果将上面这句话改为：They have made medicine from a new plant and used it as a cure for fever...