新托福作文优秀范例文5


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  怎样的托福作文才能获得托福考官的青睐?许多正在准备托福考试的同学都希望提高托福作文成绩,而这需要考生扎实的英语基本功和清晰的解题思路,下面我们搜集了一些托福考试写作的优秀范文供同学们欣赏和参考,希望大家能得到启发,写出自己的优秀托福作文。

Topaz

Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone “precious topaz”. The best-known precious topaz gems range in color from rich yellow to light brown or pinkish red. Topaz is one of the hardest gem minerals. In the mineral table of hardness, it has a rating of 8, which means that a knife cannot cut it, and that topaz will scratch quartz.

The golden variety of precious topaz is quite uncommon. Most of the world’s topaz is white or blue. The white and blue crystals of topaz are large, often weighing thousands of carats. For this reason, the value of topaz does not depend so much on its size as it does with diamonds and many other precious stones, where the value increases about four times with each doubling of weight. The value of a topaz is largely determined by its quality. But color is also important: blue topaz, for instance, is often irradiated to deepen and improve its color.

Blue topaz is often sold as aquamarine and a variety of brown quartz is widely sold as topaz. The quartz is much less brilliant and more plentiful than true topaz. Most of it is variety of amethyst: that heat has turned brown.


辛达小编找到的是作者的一些见解,希望可以为考生们寻找到最好得分方式。这些资料大家可以作为参考吸收到自己的经验谈之中,适合自己的方法就是最好的方法,希望对大家有所帮助。

最后,辛达代报希望广大考生们在备考过程中提升自己的语言水平,取得更好的成绩。
有需要代报考位的同学们,可以直接联系我们,辛达竭诚为您服务。(*^__^*) 嘻嘻…