A: 正确
B: 错误
举一反三
- A high negative ion count is likely to be found _______. A: near a pond with a water pump B: close to a slow-flowing river C: high in some barren mountains D: by a rotation water sprinkler
- Many people don't realize that Lake Superior, _____, is in both the United States and Canada. A: which it is the largest fresh water lake in the world B: in the world of which it is the largest fresh water lake C: of which the largest fresh water lake is in the world D: which is the largest fresh water lake in the world
- The water in the river is as _____ as that in the lake.
- Which of the following is NOT part of the hydrologic cycle? A: water moving into creeks and streams following a rainstorm B: water infiltrating into the soil and bedrock C: calcium carbonate dissolving in soil water and groundwater D: water evaporating from a lake
- The chief causes of water shortage are ______. A: irrigation systems. B: massive dams. C: growth of planting. D: population growth and water pollution
内容
- 0
The Himalayas in the Tibetan language means ______.( ) A: “land of snow” B: “land of river” C: “land of water” D: “land of lake”
- 1
The first paragraph mainly talks about ______. A: the problems caused by river water B: the necessity to irrigate the field C: the water shortage in some countries D: the canals carrying water to fields
- 2
What water is used in the production of injection A: pure water B: purified water C: water for injection D: sterile water for injection
- 3
According to the distribution of oil, gas and water, the water at the edge of containing edge is called (). A: External water B: Bottom water C: Edge water D: Edge bottom water
- 4
Which one is not the common source of injection water: A: surface water B: ground water C: distilled water D: oil polluted water