59.SAP often involve a semester spent with a host family which they can experience the local way of life firsthand.

　　during which they

　　點評：“they”不知道指誰，故直接換為“students”。“which”指“semester”，故前加“during”。這種指代問題，千萬小心。

　　60.Doctors now realize not only that cholesterol hardens the arteries,but also that it increases the risk of heart attack.

　　Right!

　　點評： 平行結構問題。“not only do…but also do…”和“do not only…but also…”相似但其實不同。注意位置。

　　61.Although we were opposed to the program,we thought that despite its bilateral support,it would accomplish a little.

　　We opposed the program,despite ites bilateral support,because we thought it would accomplish little.

　　點評：句子原意為“盡管該計劃如何如何好，我們反對它，因為。。。。。。”先弄清句意。表原因還是用更簡單的“because”。

　　62.The tomatoes at this fruit stand are much more plump,fresh and tasty than the fruit stand located in the lobby of the building in which I work.

　　much more plump,fresh and tasty than those sold at the fruit stand located in the lobby of the building.

　　點評：這個句子中比較了多個項目。在多個比較中可以用“much more/less adj+adj+adj+...”的形式。同時注意比較的對象(西紅柿和西紅柿比)。

　　63.While several baseball teams have tried to supplant the Yankees as the dominant team in baseball,their inability has been unable to win even half as many WS as the Yankees have won in the past one hundred years.

　　they have been unable

　　點評：平行結構，時態，句式一致。

　　65.The U tiger,a relative of the B tiger,has been described as the strongest tiger and also the most peaceful of them.

　　the strongest and yet the most peaceful of tigers.

　　點評：和前面一題類似。

　　66.The price of gold has been influenced by continued inflation and because people have lost faith in the dollar.

　　loss of faith

　　點評：平行結構。

　　67.If we compare the number of alligators with the Gila monsters over time,we see that the alligator is in decline.

　　A comparison overtime of the numbers of alligators and Gila monsters shows that alligators are

　　點評：直接用“comparison”更簡潔。同時還是要(老問題了)注意比較的對象。數量必須和數量比。