82. I think that the meal is well(没有折扣的情况下值80美元).

　　答案：worth 80 dollars before discount。

　　考点：worth的用法。

　　83. (面对来自其它公司的激烈竞争)， the automobile manufacture is consideringlaunching a promotion campaign.

　　答案：Confronted with the intense rivalry from the competitors。

　　考点：分句与主句的关系。

　　84. As far as hobbies are concerned, Jane and her sister(几乎没有什么共同之处)

　　答案：almost have nothing in common with each other。

　　考点： 短语的用法。

　　85. Only after many failures (我才意识到仅凭运气是不能成功的).

　　答案：did I realize that nobody would succeed solely because of theirgood luck。

　　考点：倒装句和时态。

　　86. But for the survival instinct which nearly all creatures have,(更多的物种就可能已经在地球上灭绝了).

　　答案：more species would have extinguished from the Earth。

　　考点：表过去相反的虚拟语气。