Question

The price system is a complex network _______ the prices of all the products bought and sold in the economy as well as those of a great number of services.

A．consisting of

B．consisted of

C．making up of

D．made up

Answer 1

A

試題分析：句意：價格系統(tǒng)是一個復雜的網(wǎng)絡，它包括經(jīng)濟方面所有被買進和售出的產(chǎn)品的價格以及大量服務項目的價格。consisting of包含，包括；這里network與consist是主動關系，consist of 沒有被動； those＝the＋復數(shù)名詞，代指the prices。故選A。
點評：本題難度適中。非謂語動詞是高中階段的重難點之一，內容多又雜，不容易理解，需要考生有分析理解復雜的句子結構的能力。題目的設置注重了情景化和結構復雜化，加大了考生對題干句的理解難度。
即學即練：Dinosaurs have completely died out on the earth，never _________ again.
A. to be seen                    B. being seen
C. seen                          D. having been seen
解析：A。不定式短語作結果狀語的用法。never to be seen again，意為：結果再也沒有人見過。