_______'s grave bears the epitaph:"Here lies one whose name is writ in water."
举一反三
- In many places, tap wateris both clean and ____1__. In fact, there are more unhealthy chemicals in bottled water. These ____2__ come from the plastic. Here’s another fact: Most bottled water is the same as tap water. Both tap and ____3__ water come from rivers and lakes. But bottled water is more expensive. It costs almost a ____4__ times more than tap water. Putting water in bottles also wastes water. Water is used to clean bottles first, and this is ___5____. Of course, in some places, people need to drink bottled water. The tap water isn’t clean in those places. But this must ____6__. Eighty percent of plastic bottles go in the trash. And this is very bad for our ___7____.
- Only 3 percent of the world’s water is fresh water. The rest _______ salt water. A: be B: am C: is D: are
- Elizabeth I was one of England’s greatest monarchs and the first monarch whose name has become a synonym for the era she dominated—the Elizabethan era.
- Elizabeth I was one of England’s greatest monarchs and the first monarch whose name has become a synonym for the era she dominated—the Elizabethan era.
- The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.( ) A: water flow B: fall C: water speed D: elevation