and + 介词短语放在句末是什么结构？请大虾们指教啦！

yunduanxw · 发表于 2011-1-8 21:35:57

A newly developed jumbo rocket， which is expected to carry the United States into its next phase of space exploration， will be able to deliver a heavier load of instruments into orbit than the space shuttle can， and at a lower cost. 　

“and at a lower cost”放在句末和什么成分并列啊？这个句式是什么句式啊？

请行家详细指教！谢谢！

yunduanxw · 发表于 2011-1-8 22:06:37

没得人理我啊？自己顶！

lonelyorchid · 发表于 2011-1-8 22:11:36

如果并列句的后半句是主系表结构，主系可省略。

花子落落 · 发表于 2011-1-9 18:15:42

Mark~

wuzongde · 发表于 2011-1-9 20:07:10

...rocket will be able to deliver ... into orbit and at lower cost.并列

and + 介词短语放在句末是什么结构？请大虾们指教啦！

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