题目

研究搅拌对物质的溶解快慢的实验中，相同的条件是：。 答案：【1】水量一样、食盐量一样、食盐颗粒一样、同时倒入水中、水温相同、杯子一样阅读短文，根据短文内容，从短文后的五个选项中选出能填入空白处的最佳选项。每个选项只能用一次。Tips for Writing Better ArticlesMany of us don't spend a lot of time improving our writing skills. This can be a problem when we hand in our articles. Good writing skills will help us improve our grades and benefit us later in life. .Make good word choices. When we're not sure which word is the right one for a sentence, look it up in a dictionary. Many of us choose words in a hurry and don't take the time to decide if they're proper. .Check facts. If we want people to believe what we write, we must make sure our facts are true. We should use dependable facts.Rewrite. A common problem is that we don't like to rewrite. In fact rewriting is the best way to find out and correct some mistakes, like grammar and spelling mistakes. , though it takes more time and more work.Read aloud. Sometimes it's easier to find problem with spelling, word usage, and grammar when we read aloud. Reading aloud helps us not only find out our problems but also develop our writing.. Preparing a list is necessary for writing a good article. Such a list includes: Is there a proper title? Have we explained every point? Are all the parts of the article included? This can help us to make sure that we have covered everything.. But with a few simple steps, we can improve our writing skills and learn how to write better articles.A. Prepare a listB. The following tips can be helpfulC. Rewriting makes our writing betterD. It is not easy to become a better writerE. Good word choices are necessary for good writing