各位高手好
小弟有二個問題想請教
第一個:
32.
The Chicago and Calumet Rivers originally flowed into the St. Lawrence by way
of Lake Michigan, but having been redirected by constructing canals so that
the water now empties into the Mississippi by way of the Illinois River.
(A) Rivers originally flowed into the St. Lawrence by way of Lake Michigan,
but having been redirected by constructing
(B) Rivers had originally flowed into the St. Lawrence by way of Lake
Michigan, but they have been redirected by constructing
(C) Rivers, which originally flowed into the St. Lawrence by way of Lake
Michigan but have been redirected by the construction of
(D) Rivers, originally flowing into the St. Lawrence by way of Lake Michigan,
but having been redirected by the construction of
(E) Rivers, originally flowing into the St. Lawrence by way of Lake Michigan,
have been redirected through the construction of
刪到剩BE掙扎
為何B的過去完成式不好??
答案是E
第二個問題:
43.
Although ice particles in the upper atmosphere benefit Earth in that they
reflect and absorb solar radiation, acting as a global thermostat and thus
keeping Earth from either burning up or freezing over, they also accelerate
the destruction of the ozone layer by reacting with chlorofluorocarbons
(CFC's).
(A) acting as a global thermostat and thus keeping Earth from either burning
up or freezing over, they also accelerate
(B) acting as a global thermostat and thus keeping Earth either from burning
up or freezing over, while also accelerating
(C) act as a global thermostat and thus keep Earth from either burning up or
freezing over, while also accelerating
(D) they act as a global thermostat that thus keeps Earth either from burning
up or freezing over, even though it also accelerates
(E) they act as a global thermostat to thus keep Earth from either burning up
or freezing over, but they also accelerate
答案是A
但為何A的acting不會錯誤修飾到solar radiation
這個問題困擾我很久了
因為像下面這題
42.
During the same period in which the Maya were developing a hieroglyphic
system of writing, the Aztec people also developed a written language, but it
was not as highly sophisticated as that of the Maya and was more pictographic
in nature.
(A) but it was not as highly sophisticated as that of the Maya and was
(B) but it was not as highly sophisticated as the Maya, being
(C) but, not as highly sophisticated as the Maya's, was
(D) not as highly sophisticated as that of the Maya, however, being
(E) not as highly sophisticated as the Maya's however, it was
D選項中的being修辭筆記說會錯誤修飾maya
所以不選
那42和43的分詞究竟差在哪裡
為何一個可以選一個不能選??
希望請各位大大賜教
謝謝~~