...e of the main working verb to which they are attached.我的问题：首先可以看出CGEL和曼哈顿GMAT语法的讲解是不一样的。其次这个"the same tense"并没有规定是传统英语语法中的说法还是现代英语语法中的说法（现代英语语法中没有将来...
...中年的人来说，即使你一直不热心运动，现在开始锻炼也可以帮助改善你老化的心脏。 Levine
and his research team selected volunteers aged between 45 and 64 who did not
exercise much but were otherwise healthy. Participants were randomly divided
into two groups. The fi...
...句首，有逗号和句子隔开。1、副词词组做评注性状语，可以改写为以该副词的同源形容词作表语的主从复合句。那么它的逻辑主语是it 谓语动词是加be动词。例如：Surprisingly, he failed in the exam. (评论）（It was surprising that he failed i...
...
阅读下面短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳答案。
My life as a tax-paying employed person began in
middle school, when, for three whole days, I worked in a baking factory.
My best friend Betsy’s father was a manager at Hough
Baker...
...同？(3) 文中，“he couldn’t have seen a line of it before” 可以换用一般过去时吗？ 这里用couldn't have done表达了讲话者什么含义呢？(4) 文中，“ and what a memory Mr. Hobdell must have! ” 这里must是情态动词，说明讲话者...
...是表语。由于主语中有了do的某种形式，表语不定式的toke可以省略也可不省略。如：What I want to do in the future is （to） teach
children English. 我想未来所做的工作就是教孩子们英语。All I want to do now is (to) find a place to live.总之，语...
...d be restricted narrowly.参考答案：A 解析：题目问：以下哪项可以从第二段推断出来?第二段“But NBAC members are planning to word there commendation narrowly to avoid new restrictions on research that involves the cloning of human DNA or cells--routine in molecular biology...