...现一个句子:In 1988,75 Nobel Prize winners said that (if) mankind is to survive we must go back 25 centuries to make use of the wisdom of Confucius.这个句子里有两个疑问:1.如果括号中填if的话,从句放主句前面不是应该用逗号隔开吗?在这为什么没逗号?可以省...
...r hear the adult. Surprisingly, children replied that they couldn’t.
Thesamething happened when the adult covered her own mouth: Now children said that they couldn’t speak
toher.这是2022高考英语全国卷一完形填空中的一个段落。加粗单词显然是复指前面的children，...
...g very hard.3. It was said that a lot of electrical appliances were stolen every day.4. It is understood that he had disliked children.5. It is expected that the rate of exchange will go down soon. 可以用下面的句子表示吗？The rate of exchange is expe...
... snowfall to match or exceed the annual loss through melting, evaporation, and calving, which occurs when the glacier loses solid chunks as icebergs to the sea or to large lakes.“as icebergs to the sea or to large lakes”这里as怎么理解？to在这里是什么用法？后面的”which occurs...
...中的 as often 后面是否省略了 as not？为什么能省略？When you exercise, your body will become stronger. You don't get sick
as often.————知识点说明：as often as notmore often than not通常；往往；一贯usually; in a way that is typical of sb/sthAs often as not, he's ...
...况下，用形式主语it和不形式主语it都是可以的。如：1. To go out at night is dangerous.= It is dangerous to go out at night.2. Where he lives is unknown.= It is unknown where he lives.请问一下，在哪些情况下，我们必须使用形式主语it，而不能在句首使用真...
... To put that in perspective, it reaches 128 m.p.h. in the timeit took youto read thewords can reach a speed of 128 m.p.h. in 3.5 seconds. 换个方式说，当你读完“过山车在3.5秒内达到128英里每小时”这几个字的时间里，过山车就可以加速到128英里每小时的...
...“有一次”时，后面通常直接跟句子。如：Once he made bold to ask her to accompany him to a party. 有一次他鼓起勇气要求她陪他去参加一个晚会。但是下面这个句子却在 once 后接了一个 when 来引导句子：Once when we were going to Paris, I forgot my p...
...hing missing）下面的内容摘自2017全国卷1的语法填空题：Fat and salt are
very important parts of a diet. They are required to process the food that we
eat, to recover from injury and for several other bodily functions. When fat
and salt are removed (remove) from food, the food tastes ...