2. 關(guān)系代詞 who與which混淆錯用

    解題要點：在written Expression （16-40題）中的四個選擇答案中出現(xiàn)who 或者which，應確認它所指代的是人還是物。

    全直例題分析

    （1）Fossil remains indicate that squidlike creatures called belemnites swam in the sea who covered the North American continent 70 million years ago. （94.5）

    [答案] C 關(guān)系代詞who指代的是sea，因此應用指物的which或that.

    （2）Vaccines for some rare diseases are given only to persons which risk exposure to the disease. （93.1）

    [答案] B 關(guān)系代詞which指代前面的persons，應改為人稱關(guān)系代詞who.

    （3）Anne Elizabeth McDowell is best remembered for a weekly journal， the Woman*s Advocate， who she launched in January 1855. （91.8）

    [答案] D 關(guān)系代詞who指代雜志the woman*s Advocate，故應改為which.

    （4） The attorney general of the United States advises the President on any questions of law who may arise in the conduct of administrative affairs. （90.10）

    [答案] B 關(guān)系代詞who指代前文的questions of law，故應改為which或that.

    3. 介詞+關(guān)系代詞which結(jié)構(gòu)

    解題要點 介詞+which作用相當于一個關(guān)系副詞，在從句作狀語。可表示時間（=when） ，地點（= where） ，原因（=why）等等。

    全真例題分析

    （1） In reorganizing the curriculum of Mt. Holyoke College in the late 1800*s Elizabeth Mead laid the foundation —— the modern college rests.

    （A） is which

    （B） on which

    （C） which is on

    （D） on it （91.1）

    [答案] B on which 指代on the foundation ，作用相當于一個表示地點的關(guān)系副詞。

    （2） A circuit may be defined as a closed path —— electricity can How.

    （A） through it

    （B） through which

    （C） that is through

    （D） there goes through （93.3）

    [答案] B through which 指代through the circuit， 作用相當于一個關(guān)系副詞，而介詞through才能準確地表達句子的含義。

    （3） The extent of the harmful effect of locoweeds on animals depends on the soil —— the plants grow.

    （A） which

    （B） which in

    （C） in which

    （D） in （90.5）

    [答案] C in which = where

    （4） Adhesives， such as glue， tape and gum， vary with the purpose —— intended.

    （A） they were for

    （B） for they were

    （C） which were they

    （D） for which they were （93.10）

    [答案] D for which指代for the purpose.