参考答案：
1－5 CBCAA 6-10 CACAB 11-15 ACBBA 16-20 CBCBA 21-25 ADBCD 26-30 AACCB 31-35 DBCDB 36-40 DCDAC 41-45 BBADA 46-50 BDBBC 51-55 CAADC 56-60 BCDCB 61-65 CADBA 66-70 CDABA
71. behavior 72. great 73. well/successfully/effectively 74. Results/Consequences/Effects 75. optimistic/sure/confident 76. fail 77. Control 78. influenced/affected 79. strengthening 80. Remaining
One possible version
Dear Linda,
In your e-mail you , say you are not sure whether to return home or not after graduation. I think it is better for you to come back.
To begin with, our hometown is badly in need of talents specialized in environmental protection with the development of economy. Waste water here needs treating in a better way, as is the rubbish. So to attract talents like you, many preferential policies are adopted here. If you start a business, it will be easier for you to get loans and you don?t have to pay so much tax. In addition, old people prefer living in an environment they are familiar with. When working back home, you will be able to keep your parents company, helping them to enjoy their old age.
Of course, you have a lot to do now to begin well here. For example, you have to master advanced technology. It is also necessary for you to gain enough working experience. What?s more, you will hvave to make an informed decision of what you will be devoted to.
I hope what I have written here can be of some help to you. All the best. Yours, Mary
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