GWD1-24

nicboy

    

GWD1-Q24:     

    

By sucking sap from the
young twigs of the hemlock tree, tree growth is retarded by the woolly
adelgid, causing needles to change color from deep green to grayish green and
to drop prematurely.

    

A.     
tree growth is retarded by the woolly adelgid, causing
needles to change color from deep green to grayish green and to drop

    

B.      
tree growth is retarded by the woolly adelgid, and this
causes the color of needles to change from deep green to grayish green, and
their dropping

    

C.     
the woolly adelgid retards tree growth, which causes
needles to change color from deep green to grayish green, and dropping

    

D.     
the woolly adelgid retards tree growth, causing needles to
change color from deep green to grayish green and to drop

    

E.      
the woolly adelgid retards tree growth, and this causes the
color of needles to change from deep green to grayish green, and the their
dropping

我选D，答案该是什么呀

Teddy99

答案就是D

kristinzhao

答案是D

jbc88

A怎么错了？

maylovehe1

做这道题首先判断一个谓语部分答案在选项中有两种形式被动“is retarded”&主动"retards" (这个词是防止\推迟的意思)

做题原则---主动优于被动

答案中谓语部分主动应当优于被动因此排除A&B

接下来看修饰关系：C\D都可以修饰n 而E 是并列关系。原文是修饰关系因此排除E

接下来的判断看句中and前后的成分是否可以并列，C and 前which 后ing，形式不并列，排除。


选D.and 前后to change 和to drop并列



请牛牛帮忙分析我的解题思路是否可取 谢谢

maylovehe1

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