看到以前有网友提问：From then on, I ____ to the forest four times a year A.had gone B.have gone C.went D.will go 选的c，当然c肯定是对的，但我有别的疑问I have called him three times this morning 这句是语法书里看到的。我的理...
...前的一般时态”还是“之前的完成时态呢”？比如he seems to have been ill.这个不定式完成态是表示1.that he was ill then,即那时病了，现在病没病不知道，只是纯粹的表示之前一般动作。还是2.that he has been ill,过去生病，现在还病着，即...
With respect to its absorption, the major determinants are the sources of iron contained within foods consumed depending upon the form, heme or nonheme.depending upon the form, heme or nonheme.是整句的状语吗？
...：(ii) All the or the whole is used with other count nouns that are understood to be divisible:all the/the whole family/way/story我对这句话的理解是：all the 或 the whole 可以修饰可分割的可数名词。那么the whole可以修饰复数可数名词吗？比如：all the students/th...
...n English language schools in this country INCREASED from 66 000 in 2008 to just over 84 000 in 2009.这个国家英语语言学校的学生人数从 2008 年的 66 000 增长到 2009 年的 84 000 多一点。■ Student numbers SHOT UP/ INCREASED DRAMATICALLY in 2009.学生人数在 2009 ...
One reason why it is hard to design and teach such courses is that they can cut across the insistence by top American universities that liberal-arts educations and professional education should be kept separate, taught in different schools. 这里为什用by短语作后置定语，我感觉应该...
...people skills.” Research has shown that
emotional skills may contribute to some of these qualities, but most of them
move far beyond skill-based emotional intelligence.
...om an armoured van sparked a mad scramble - and police
arrests - on a US
motorway on Friday morning.Videos on social media show money raining down as people scramble to
pick up dollars strewn across the road.It happened on the Interstate 5 in California's
San Diego
county.上面这段文字来源自...
...g, or even sitting down. The body's tissues are self-repairing and self-restoring to a degree, and function best when more or less continuously active.参考译文：“休息”，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。人体组织在一定...
The room had been fashioned into a small museum, and the walls were lined by a number of glass-topped cases full of that collection of butterflies and moths the formation of which had been the relaxation of this complex and dangerous man. In the centre of this room there was an upright beam, which h...
There was story after story of how Lin Qiaozhi, tired after a day's work, went late at night to deliver a baby for a poor family who could not pay her.这里的划线部分应该是作状语吧？而不是主语补语？人教教材的课文注释也是避重就轻，只介绍一查字典就可...
老师好，Laboratory rats and mice live up to 40 percent longer than usual when fed a diet that has at least 30 percent fewer calories than they would normally eat but that otherwise contains all necessary vitamins and nutrients.请问老师，第二个划线处为什么不是t...