你给出的这句句子就是一个以感叹词how引导的宾语从句,如果没有was,这句宾语从句里就没有谓语了(how difficult是表语,it是形式主语,to drill through the hard rock为真正的主语).这句话的意思是:“如果他们知道钻透这块坚硬的岩石是多么困难的话,他们就会丧失信心了.”这是一个非真实条件句,所以用了虚拟语气...
it 是形式主语，指代它后面的动词不定式，正常语序为：to drill through the hard rock is difficult，是由how引起的宾语俗语，在这里，作为if they knew 的宾语，语意为：如果他们知道钻透这块坚硬的岩石是多么的困难的话，他们将去失去信心。
形式主语 这里有一个宾语从句how difficult it was to drill through the hard rock 真正的主语是to drill through the hard rock 为了避免头重脚轻 所以用了形式主语it 分析总结。 形式主语这里有一个宾语从句howdifficultitwastodrillthroughthehardrock真正的主语是todrillthroughthehardrock为了避免头重脚轻所以用了...
To add a drillthrough action In Design view, right-click the text box, image, or chart to which you want to add a link and then click Properties. In the Properties dialog box for that report item, click Action. Select Go to report. Additional sections appear in the dialog box for this...
We were amazed at the simplicity of the process and the good results it produced–we haven’t seen any further leaks through the foundation since the two men completed their work. To fill and seal cracked concrete, you drill holes along the crack and insert injection ports (called packers) ...
The idea of removing a concrete patio or walkway may seem completely impossible, but there are several effective methods you can use to break up concrete and eradicate the walkway from your yard. Step 1 - Call Your Utility Company Before breaking any concrete, it’s vital to call your util...
Break through your golf plateaus in the new year with these keys. Matt will show you how to set a good goal and reach it. Continue Reading » The Ultimate Shot Maker’s Drill August 29, 2022 If you want to strike the ball better and score in all conditions, you need to try ...
wood, but the constant exposure to the elements can cause the wood to splinter, crack or rot. Another option is to build the steps with concrete. A well-built concrete staircase will last for decades, providing a safe, durable way for your family to enter and exit through your back door...
This part of your bakery business plan should drill further into your business idea. Use this section to talk about the baked goods industry and the niche you’ll carve out within it. For instance, you might plan on offering keto-friendly, gluten-free, or otherwise lifestyle-specific items...
In this post, I’m going to show you why you need a testing roadmap and how to create one for your business.