As rainfall began to decrease in the Southwest about the middle of the twelfth century, most of the Monument Valley Anasazi abandoned their homes to join other clans whose access to water was less limited.
OG12 102As rainfall began to decrease in the Southwest about the middle of the twelfth century, most of the Monument Valley Anasazi abandoned their homes to join other clans whose access to water was less limited. A.whose access to water was less limited B.where there was access to water that was less limited C.where they had less limited water access D.with less limitations on water access E.having less limitations to water access
106.Marconi's conception of the radio was as a substitute for the telephone, a tool for private conversation: instead, it is precisely the opposite, a tool for communicating with a large, public audience.
(C)Marconi conceived of the radio as a tool for private conversation that could substitute for the telephone; instead, it has become
1.Coronary angiography, a sophisticated method for diagnosing coronary disease involving the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses x-rays to observe cardiac function.
(A) for diagnosing coronary disease involving the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses
(B) for diagnosing coronary disease involving the introduction of a dye into the arteries of heart, is now administered selectively, because of using
(C) for diagnosing coronary disease, involves the introduction of dye into the arteries of the heart and is now administered selectively, because it uses
(D) to diagnose coronary disease that involves the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses(C)
(E) to diagnose coronary disease involving the introduction of a dye into the arteries of the heart, which is now administered selectively, uses
个人认为106 中C 的it没有歧义的原因通过理解句意。a tool for private conversation 和后面的a tool for communicating with a large, public audience 对称,因此后面的it指的是前面a tool 的主语 which is radio
所以是通过理解句子内容-->发现对比-->寻找相对应主语-->锁定it指代
Marconi conceived of the radio as a tool for private conversation that could substitute for the telephone; instead, it has become precisely the opposite, a tool for communicating with a large, public audience.