2015年12月gmat語法機經：which

　　which

　　機經回想：

　　v-ing情勢和that which比較的選項挺多

　　相幹常識點

　　a. 零丁的which前面要有逗號

　　b. 看which從句的主謂同等

　　c. 看邏輯意思

　　相似考題：

　　More than 300 rivers drain into Siberia's Lake Baikal, which holds 20 percent of the world's fresh water, more than all the North American Great Lakes combined.

　　(A) More than 300 rivers drain into Siberia's Lake Baikal, which holds 20 percent of the world's fresh water, more than all the North American Great Lakes combined.

　　(B) With 20 percent of the world's fresh water, that is more than all the North American Great Lakes combined, Siberia's Lake Baikal has more than 300 rivers that drain into it.

　　(C) Siberia's Lake Baikal, with more than 300 rivers draining into it, it holds more of the world's fresh water than all that of the North American Great Lakes combined, 20 percent.

　　(D) While more than 300 rivers drain into it, Siberia's Lake Baikal holds 20 percent of the world's fresh water, which is more than all the North American Great Lakes combined.

　　(E) More than all the North American Great Lakes combined, Siberia's Lake Baikal, with more than 300 rivers draining into it, holds 20 percent of the world's fresh water.

　　剖析：

　　B選項兩個句子沒有連詞，run-on毛病。C選項it和前面的主語反復了。D選項which潤飾前面的fresh water，邏輯意思紕謬。E選項More than all the North American Great Lakes combined潤飾主語Siberia's Lake Baikal邏輯意思錯了。謎底選A。