iy China's first aircraft carrier began sea trials Wednesday,marking a milestone in the country's rapid military modernization and longterm strategy to challenge U. S. military su?premacy in Asia and project power far beyond Chinese shores.

The 300-meter-long carrier,based on an empty hull bought from Ukraine,sounded its horn three times as it ploughed through the morning fog around Dalian and headed out to sea,accord?ing to one witness writing on the military microblog of the staterun Xinhua News Agency.

The carrier,featuring its original skijump runway to launch fighters and a new engine and radar equipment,has been undergoing refurbishment (重新裝備) for the last decade in the north?eastern port.

Xinhua said the sea trials " would not take a long time”，without giving details of the exact duration or say what sort of tests would be carried out. " After returning from the sea trial,the aircraft carrier will continue refit and test work," it said.

The provincial Maritime Safety Authority said on its web site that all vessels will be barred (被禁止的) from entering a small section of sea off Dalian until 6 p. m. local time Aug. 14.

The launch had long been expected as final preparations of the vessel―which has yet to be named by China ― were visible from many points around Dalian and had been regularly photographed and documented online by amateur enthusiasts.

A Chinese company purchased the empty hull of a carrier called the Varyag from Ukraine in 1998 on the understanding that it would be used as a floating casino,but it was later towed (4& 曳) to Dalian via the Black Sea,the Mediterranean and the Straits of Malacca.

China officially acknowledged only last month that it was refurbishing the vessel,and tried to ease regional concerns by saying it would be used for "research,experiments and training" and would take a long time to become fully operational.

China is the only one of the five permanent members of the U. N.Security Council,which includes theU. S.，Britain,FranceandRussia,without an operational carrier.IndiaandThai?landhave a carrier each,whileJapanhas one that carries helicopters.

(   ) 1. The underlined word "milestone" in the first paragraph most probably means

   A. a significant event in one's life or in a project

   B. a special stone in a mile

   C. making an important discovery

   D. a mark showing the boundary of a piece of land

(   ) 2. Which of the following does the passage NOT cover?

   A. A Chinese company purchased the empty hull fromUkraineas a floating casino.

   B. The first aircraft carrier ofChinais already under construction at a shipyard in Shanghai.

   C. This aircraft carrier has not been named at present.

   D. Chinais one of the five permanent members of the U. N. Security Council.

(   ) 3. What can be inferred from the last but one paragraph?

   A. China officially acknowledged that it was refurbishing the carrier.

   B. "Research,experiments and training" are the purpose of this sea trial.

   C. Though intending to own its aircraft carrier,Chinawould not threat or challenge any country purposely.

   D. Chinastill has a long way to go to make the carrier fully operational.

(   ) 4. Which of the following might be the best title for the passage?

   A. China Starts Aircraft Carrier Sea Trial

   B. China Has Built Its First Aircraft Carrier

   C. China Would Take a Long Time Sea Trials This Time

   D. China Has Already Developed a Fully Operational Carrier Group

 1-4 ABCA

中國第一艘航空母艦開始出海試航，對于中國迅速進行的軍事現(xiàn)代化以及長期戰(zhàn)略而言，這是一個具有里程碑意義的事件。

1. A詞義猜測題。

2. B細節(jié)理解題。文章中沒有涉及該答案。

3. C推理判斷題。其他三個選項都是原文而不是推斷出的結論。

4. A主旨大意題。全文都是圍繞"試航"這一主題展開，答案A正確。

題目來源：高中英語丟分題每周一練高三全一冊 > Unit 2 Sailing the oceans

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