82. I think that the meal is well worth 80 dollars with no discount(沒有折扣的情況下值80美元).

　　【點(diǎn)評】worth:“值”，后跟動(dòng)名詞或名詞;discount 折扣。

　　83. Confronted with the fierce competition from other corporations(面對來自其他公司的激烈競爭), the automobile manufacturer is considering launching a promotion campaign.

　　【點(diǎn)評】該句主語是the automobile manufacturer，橫線處所填的是一個(gè)分句;be confronted with：面臨(任務(wù)、困難)=face，所以也可填(facing the fierce competition……)

　　84. As far as hobbies are concerned, Jane and her sister nearly (almost) have nothing in common / hardly have anything in common(幾乎沒有什么共同之處).

　　【點(diǎn)評】have something in common有共同點(diǎn)。

　　85. Only after many failures have I realized that I cannot succeed merely by chance.(我才認(rèn)識到僅憑運(yùn)氣是不能成功的).

　　【點(diǎn)評】only位于句首時(shí)用倒裝。至于時(shí)態(tài)，可以用現(xiàn)在完成時(shí)，強(qiáng)調(diào)過去的事情對現(xiàn)在造成的影響“不能成功”，也可以用一般過去式

　　did I realize that I couldn't succeed merely by chance.

　　86. But for the survival instinct which nearly all creatures have, more species would have been extinct from the earth(更多的物種就可能已經(jīng)在地球上滅絕了).

　　【點(diǎn)評】but for，“要不是”;這里考查與過去相反的虛擬語氣，后面用would + have done。