This may be because the lower moisture content, which is 12.8% for the MC, generates less expansibility and contractility than is necessary to destroy the soil skeleton.请问老师，这个句子在than后是不是省略了that呢？
请问老师，这里的it是形式主语吗，to assess what the official was talking about是主语？a right moment是表语？it能理解为代词，表示“现在”吗？With the countries planning to reach an agreement,it is a right moment to assess what the official was talking about.&...
请问instructing him...在句子中做什么成分？为什么不是用to instruct him?
The editor at once sent the journalist a fax instructing him to find out the exact number of steps....
One can learn a lot about another person from the books and the movies that the person likesthe person指的是another person还是One呢？依据是什么？一个人可以从他自己喜欢的书和电影中了解到很多关于另一个人的事情。还是一个人可以从另一个人喜欢的...
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？
Miss Waterford, torn between the aestheticism of her early youth, when she used to go to parties in sage green, holding a daffodil, and the flippancy of her maturer years, which tended to high heels and Paris frocks, wore a new hat. It put her in high spirits. I had never heard her more malicious ab...
...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...
...》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...
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。