In January, 2004, the United States successfully launched “Spirit”, a Mars Explo

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In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.

A．it marked

B．marking

C．marked

D．to mark

答案

解析

marking是分词作结果状语,表示”标志着”。

举一反三

________ English will help to communicate _____ people from different countries in the world.

A．Known; with

B．Knowing; with

C．To know; to

D．To know; in

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I’m sure cars ________ by solar energy will be popular in the near future.

A．pressed

B．controlled

C．powered

D．pushed

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Though I am improving in my study,I still have a long way to go ________ some of my classmates.

A．to compare with

B．to compare to

C．comparing with

D．compared with

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The idea suddenly______me is that we should go outing.

A．struck

B．striking

C．appearing

D．appeared

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A sudden blizzard occurred in Beijing last night,______great inconvenience in transport.

A．caused

B．causing

C．affecting

D．brought

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