7. A concentration process is important now that the depletion of high grade iron ores is a possibility.

由于高品位铁矿有可能用完，所以采用精选方法是重要的。（now that引导原因状语从句）

8. The climate is very hot and dry that much evaporation takes place.

气候非常炎热又非常干燥，因而造成大量的蒸发。（单个that引导结果状语从句）

9. Bacteria cannot make their own food, so that they must live on living or dead animals and plants.

细菌不能制造自己的食物，所以必须寄生于活的或死的动植物中。（so that引导结果状语从句）

10. Water is such a very stable compound that it was long supposed to be an element.

水是一种非常稳定的化合物，所以曾长期被认为是一种元素。（such...that引导结果状语从句）

偶尔，that还可以象as那样，引导倒装的让步状语从句。

11. Poor that paper is in conductivity，it is by no means a perfect insulator.

纸虽然导电性很差，伹并不是理想的绝缘体。

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