15) Long Island， an ［A］ island that forms the ［B］ southeastern part of New York， has a ［C］ greater population than which ［D］ of fortytwo of thefifty states.
解析： D錯。 改為that，代替population。
16) The grain of rye is longer ［A］ and slenderer ［B］ than ［C］ those of ［D］ wheat.
解析：D錯。 改為that。這里比較的“The grain”不是復(fù)數(shù)，不能用復(fù)數(shù)代詞those。
17) The activities of the international marketing researcher are frequently much broader than .
［A］ the domestic marketer has ［B］ the domestic marketer does
［C］ those of the domestic marketer ［D］ that which has the domestic marketer
解析：C為正確答案。比較句中，連詞than前后，即所比較的成分要一致，應(yīng)該在同種事物間進(jìn)行比較。本句所比較的是兩種 activities ，故C正確，代詞those 代替“the activities”。
18） The grape is cultivated plants.
［A］ one of the oldest ［B］ the oldest one
［C］ one which the oldest ［D］ the one is the oldest of
解析：A對?！皁ne of the oldest…”表示“(歷史)最長的栽種植物之一”，C和D均不合語法，而B選項中的one多余。
19) ， William Shakespeare is the most widely known.
［A］ With all writers in English
［B］ All writers in English
［C］ All of the writers in English
［D］ Of all writers in English
解析：D為正確答案。
20) The crane is of the wading birds.
［A］ the tallest
［B］ the tallest that is
［C］ which is the tallest
［D］ which the tallest is
解析：A為正確答案。
21) The Appalachians Trail， extending ［A］ approximately 2，020 miles ［B］ from Maine to Georgia， is the longer ［C］ continuous ［D］ marked footpath in the world.
解析：C錯。只有在兩者相比較時才使用比較級，而本句出現(xiàn)了狀語in the world，明顯表示不止兩者相比，故應(yīng)改用級 (the) longest 。
解析： D錯。 改為that，代替population。
16) The grain of rye is longer ［A］ and slenderer ［B］ than ［C］ those of ［D］ wheat.
解析：D錯。 改為that。這里比較的“The grain”不是復(fù)數(shù)，不能用復(fù)數(shù)代詞those。
17) The activities of the international marketing researcher are frequently much broader than .
［A］ the domestic marketer has ［B］ the domestic marketer does
［C］ those of the domestic marketer ［D］ that which has the domestic marketer
解析：C為正確答案。比較句中，連詞than前后，即所比較的成分要一致，應(yīng)該在同種事物間進(jìn)行比較。本句所比較的是兩種 activities ，故C正確，代詞those 代替“the activities”。
18） The grape is cultivated plants.
［A］ one of the oldest ［B］ the oldest one
［C］ one which the oldest ［D］ the one is the oldest of
解析：A對?！皁ne of the oldest…”表示“(歷史)最長的栽種植物之一”，C和D均不合語法，而B選項中的one多余。
19) ， William Shakespeare is the most widely known.
［A］ With all writers in English
［B］ All writers in English
［C］ All of the writers in English
［D］ Of all writers in English
解析：D為正確答案。
20) The crane is of the wading birds.
［A］ the tallest
［B］ the tallest that is
［C］ which is the tallest
［D］ which the tallest is
解析：A為正確答案。
21) The Appalachians Trail， extending ［A］ approximately 2，020 miles ［B］ from Maine to Georgia， is the longer ［C］ continuous ［D］ marked footpath in the world.
解析：C錯。只有在兩者相比較時才使用比較級，而本句出現(xiàn)了狀語in the world，明顯表示不止兩者相比，故應(yīng)改用級 (the) longest 。