I. Complete the essay about how to protect the ecosystem with appropriate supporting ideas below. There is one extra phrase that you do not need.
A. consume a great deal of money from governments
B. the environmental problems, the poor management of our natural resources
C. no longer available, industrial and daily activities will face a lot of difficulties
D. dealing with the present problems on our Earth to keep on living here
E. no wars, hunger, or social problems
F. to live and new ways to exploit natural resources there
In the future it seems to be more difficult to live on the Earth. Some people think more money should be spent on researching other planets to live on.
On the one hand, finding other planets to live on is a good idea. Firstly, there are limited natural resources that we will use up soon. Once these resources are 1 _________________________________
__________________________________________________________________________________.
Secondly, setting a goal of settling down on a new planet will make sciences and space exploration develop faster. Scientists will find out new places 2 __________________________________________
__________________________________________________________________________________. and communicate with aliens to exchange universal knowledge.
On the other hand, the discovery of new planets should not be the only solution for our future. The Earth is facing 3 ______________________________________________________________________. We still have enough time to take action now to solve these problems. Moreover, the cost for discovery and settling on new planets is much higher than protecting and regenerating our planet. Spaceships, research projects, space exploration programmes will 4 ______________________________________
__________________________________________________________________________________.
In conclusion, it is necessary to research for new planets to live on in the future, but 5 _______________
______________________________________is a promising answer to the question.
