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2018年12 月25日零时53分通信技术试验卫星三号成功发射，中国2018年航天发射次数达到了37次，年度航天发射次数首次独占世界第一，火箭发射架下建有大水池，让高温火焰喷到水中，通过水发生（填物态变化名称）来吸收大量的热:火箭外表涂有一层特殊物质，可利用该物质在发生物态变化时要 （选填 “吸热”或“放热”），从而避免高速运行的火箭温度过高。Chinese President Hu Holds Telephone Talks With BushChinese President Hu Jintao on Tuesday spoke over phone with George W. Bush about international cooperation to cope with the ongoing global financial turmoil (动乱).The leaders exchanged ideas about the planned international financial summits and strengthening international cooperation to stabilize the financial markets.Bush said the United States hopes to make joint efforts with the international community to seek measures to overcome the crisis and maintain the stability of the world economy.Hu, for his part, said China has noted the measures taken by the U.S. government to stabilize the domestic financial market. The measures are conducive to the stability of the world economy and financial markets, Hu said.The Chinese government has taken a series of important measures to tackle the financial crisis and maintain the stability of financial and capital markets, as well as ensure steady economic growth, he added.The government of China will continue to assume a responsible attitude toward the Chinese people and people of other countries, and to work closely with the international community to maintain the stability of the global economy and financial markets, President Hu said.(Xinhua News Agency October 21, 2008)56. The two presidents held the talk to __________  A. express their opinions on the disagreement between the two nations.  B. exchange ideas about keeping working internationally and a planned meeting.  C. narrow the gap between the two great nations, especially about Taiwan issues.  D. seek solutions of regional affairs, mainly of American financial crisis.57. Which of the following is NOT true?  A. Hu approves of the measures taken by the US.  B. China has made a great effort to stabilize the economic growth.  C. Bush wishes China to take the lead in coping with the present crisis.  D. The crisis has caused international concern.58. Which word can replace the underlined word “tackle”?  A. prevent.                                           B. overcome  C. stop                                                D. decrease