1. Although the lesser cornstalk borer is widely distributed, control of them is necessary only in the South. (A) the lesser cornstalk borer is widely distributed, control of them is (B) widely distributed, measures to control the lesser cornstalk borer are (C) widely distributed, lesser cornstalk borer control is (D) the lesser cornstalk borer is widely distributed, measures to control it are (E) it is widely distributed, control of the lesser cornstalk borer is (D) 2.Although just inside the orbit of Jupiter, amateur astronomers with good telescopes should be able to see the comet within the next few weeks. (A) Although just inside the orbit of (B) Although it is just inside the orbit of (C) Just inside the orbit of (D) Orbiting just inside (E) Having orbited just inside (B)
2.B选项,之所以要添加it is就是为了改成A的错误,A是although状语从句的省略,主从句主语一致,但是Although (amateur astronomers are) just inside the orbit of 代入时,逻辑含义错误应该是comet inside the orbit,所以添加it is;至于歧义的问题,由于amateur astronomers是复数,即使代词也应该是they,那么it 理所应当指代comet
2.B选项,之所以要添加it is就是为了改成A的错误,A是although状语从句的省略,主从句主语一致,但是Although (amateur astronomers are) just inside the orbit of 代入时,逻辑含义错误应该是comet inside the orbit,所以添加it is;至于歧义的问题,由于amateur astronomers是复数,即使代词也应该是they,那么it 理所应当指代comet
2.B选项,之所以要添加it is就是为了改成A的错误,A是although状语从句的省略,主从句主语一致,但是Although (amateur astronomers are) just inside the orbit of 代入时,逻辑含义错误应该是comet inside the orbit,所以添加it is;至于歧义的问题,由于amateur astronomers是复数,即使代词也应该是they,那么it 理所应当指代comet
2.B选项,之所以要添加it is就是为了改成A的错误,A是although状语从句的省略,主从句主语一致,但是Although (amateur astronomers are) just inside the orbit of 代入时,逻辑含义错误应该是comet inside the orbit,所以添加it is;至于歧义的问题,由于amateur astronomers是复数,即使代词也应该是they,那么it 理所应当指代comet