In the case of an intruder, a triggered motion detector can turn on floodlights in the yard and instruct your stereo to queue up the sound of a barking dog. Or say you want to avoid unwelcome guests. By mounting a video camera at the front door, you can view visitors on a TV screen.第二句话中...
...ave a lot of work to do. He has no friend to depend on 可是in the years to come里面,come不及物动词,而且years和come明显存在主谓关系,而不是动宾关系,这应该怎么理解?另外I have a plan to study abroad.此处的to do作定语,是起修饰plan的作...
...面有逗号,除了同位语之外,还有哪几种情况呢?3. It is the greatest building, a truly delightful place, that looks the same as it must have done 100
years ago with its winding streets and pretty cottages. 这一句的that改成which,句意会发生什么变化呢?4. This is...
...about an approach to doing business that is
fast gaining popularity. It is the concept of the Triple Bottom Line. We all
know the term bottom line and what it refers to, namely the financial
profitability of the company. Triple Bottom Line, or 3BL as it is sometimes
called, recognises that there are...
1) Before he entered the institute, Jim had served in the army.2) Before he had entered the institute, Jim served in the army.有人认为第1, 2句意义相同,但是,第二句从句中使用过去完成体的语义逻辑是什么?3) We had not thought of the solution until they gave us some ...
But executives also know that none of these ambitions are achievable without changing the way the business is run. While most companies have tried to address these issues by reducing management layers and focusing on the customer, few have been successful. One of the reasons is the inability to shif...
Some people find that they can smell one type of flower but not another, whereas others are sensitive to the smells of both flowers.This may be beacause some people do not have the genes necessary to generate particular receptors in the nose.These receptors are the cells which sense smells and send ...