Naturalresourcesarethings
问题详情:
Natural resources are things _____61_____ exist in nature and can be used by people. Some natural resources are renewable, like trees. When one tree is cut down, we can plant a new tree to replace it. Others, _____62_____, are not renewable, like the coal dug out of the ground. Once it is used, it is _____63_____. (go)
Although we all know that our natural resources are limited, we often waste them in our daily life. Paper, bottles and cans _____64_____ (throw) away carelessly; food is wasted just because of its poor taste; clothes are rejected ____65_____ (simple) due to their old fashion. These valuable natural resources will run out before long ____66_____ better use is made of them.
Actually, everyone can make contributions (贡献) to ____67_____ (protect) our natural resources. For example, _____68_____riding a bicycle or walking instead of driving, we can save lots of petrol. water is a very important natural resource because we all need ____69_____ to stay alive. We can make wise_____70_____ (choose) to save water, like reusing the water that has been used to wash vegetables to water flowers.
【回答】
61. which / that 62. however 63. gone
64. are thrown 65. simply 66. unless 67. protecting
68. by 69. it 70. choices
知识点:语法填空
题型:未分类