If you smell or hear a gas，get everyone outside and open the windows and doors. If you can do it safely，turn off the gas. Report it to the gas company.两个it分别指什么呢？
Years of experience in the
industry—and failed attempts to use technology—have convinced him that the best
way to check cattle is with a man on a horse.这是2021年新高考全国卷2阅读理解D的一个句子。前面一个网友问了 failed 的用法。但我觉得这里还有一个用法...
...这样一个句子：Sam had lost his wallet while taking his savings to the post office.此句中连词 while 后接现在分词 taking his savings to the post office.课文注释中说道与 while he was taking his savings to the post office 时间状语作用一致。该如何理解 while ta...
...，都含有is，而且在is 之后，都是一个when 引导的从句。Their trouble is when they will start the business.Thanksgiving is when people celebrate the harvest.The spread of the disease is when people get together.请问：这3个is 是否都是系动词？这3个when 引导的从句...
If the insuring Party fails to effect and keep in force any of the insurances it is required to effect and maintain under the contract, or fails to provid...
...lick-sthrough rate? Once your video is up and running, keep a close eye on the performance and pause it if you’re not happy with the results. There are many small adjustments that can be made to optimize the results and give you the most bang for your buck.
...》中的练习: ①It is fortunate that Robert should have returned the cheque. 答案:
Fortunately,Robert returned the cheque. It is unreasonable that he should protest strongly against it. 答案:
Unreasonably,he protested strongly against it. 此处为什么要把shoul...
1.Not only is the amount in excess of the maximum sum the bank can loan any individual legally, but it is absolutely without endorsement or security.问题不仅在于数目超过了银行发放私人贷款的最高限额，而且既无担保，又无抵押。（出自欧亨利小说A CALL LOAN）2....
...网站看到这么一个对比：
A black and a
white dogs are playing in the yard. 一只黑狗和一只白狗正在院子里玩。（两只狗）
A black and white
dog is playing in the yard. 一只黑白花狗正在院子里玩。(一只狗)
该网站认为这两句话都是对的。但是我...
...网站看到这么一个对比：
A black and a
white dogs are playing in the yard. 一只黑狗和一只白狗正在院子里玩。（两只狗）
A black and white
dog is playing in the yard. 一只黑白花狗正在院子里玩。(一只狗)
该网站认为这两句话都是对的。但是我...
...hancery Lane; she did little typing herself, but spent her time correcting the work of the four girls she employed. She had had the idea of giving it a certain daintiness, and she made much use of blue and red inks; she bound the copy in coarse paper, that looked vaguely like watered silk, in variou...
...n and sailors sometimes claim to have seen monsters in the sea. Though people have often laughed at stories told by seamen, it is now known that many of these 'monsters' which have at times been sighted are simply strange...
This and other promising findings about the life-changing effects of crises are the province of the new science of post-traumatic growth. 老师好，请教这句话的语法及句子结构分析。