The fire，believed to      due to illegal construction on the building’s roof, was brought

    under control after an hour．

A．have occurred             B．occur  

C．have been occurring       D．be occurring

. The report about the ______ surprised all the ______ at the Climate Change Summit in

 Copenhagen, the capital of Denmark.

   A. present pollution; people present         B. present pollution; present people

   C. pollution present; people who present     D. pollution present; presented people

______ I explained on the phone, your request will be considered at the next meeting.

A. When             B. After         C. As              D. Since

 Students often ______ a lot of difficulties when they communicate with foreigners for the first time.

              A. meet with          B. contact with       C. faced with                       D. touched with

 I feel it _____ that I can make a speech _____ my school.

A. honored; on behalf of        B. an honor; on behalf of 

C. honoring; on the behalf of    D. honor; on the behalf of

第二節(jié) 語法填空 (共10小題；每小題1.5分，滿分15分)

閱讀下面短文，按照句子結(jié)構(gòu)的語法性和上下文連貫的要求，在空格處填人一個適當?shù)脑~或使用括號中詞語的正確形式填空，并將答案填寫在答題卡標號為3l~40的相應位置上。

 Scientists have found “significant” amounts of water in a crater (火山口) at the moon’s south pole, a major   31   (discover) that will dramatically revise the description of the moon   32   a dead world and likely make it a more attractive destination for future human space missions.

    “The moon is alive,” declared Anthony Colaprete, the chief scientist for the Lunar Crater Observation and Sensing Satellite mission,   31   used a rocket on Oct. 9 to punch a hole about 100 feet across in the moon’s surface, and then measured about 25 gallons of water in the form of vapor and ice.   31   that’s not enough to swim in, it could indicate sufficient water in permanently shaded craters at the poles for future astronauts to live off the land.

    NASA’s plans, currently under review by the Obama administration, call for   31   return to the moon at the end of the next decade, and   31   (construct) of a lunar base in which astronauts could live and work for months at a time.

    The presence of large quantities of water would make that plan more   31   (practice), since water could be used for drinking, breathing and even making rocket fuel.   31  , a resource-rich moon could also serve as the perfect low-gravity launch-pad (發(fā)射臺) for missions that would carry astronauts and   31   families elsewhere in the solar system,   31   (realize) the dreams of generations of science-fiction writers.