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President Hu Jintao flew to the earthquake-hit region in Yushu, Qinghai on April 18, 2010. At a field hospital on the grounds of a sports stadium, Hu sat on the bed of Drolma, a middle school student, and held her in his arm as she wept(哭泣). "Rest assured(放心的), you will have a full recovery(康复). Be strong. You will have a bright future," he told her. |
![]() The 2010 World Expo, Shanghai China |
The 2010 World Expo Shanghai China Duration(举办时间): May 1 to October 31, 2010 Expected visitors: 70 million Theme(主题) : "Better City, Better Life." The theme represents the common wish of the people all over the world for a better living in future urban(城市的) environments. |
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The 19th FIFA World Cup(世界杯足球赛) Duration: June 11 to July 12, 2010 Host(主办) nation: South Africa Number of teams: Thirty-two Number of matches: Sixty-four It is the first time that the tournament(锦标赛) has been hosted by a nation in the Confederation(联盟) of African Football. |
President Hu Jintao flew to Yushu, Qinghai _________, 2010.
A. | on May 1 | B. | on June 11 | C. | on April 18 | D. | on July 12 |
President Hu Jintao comforted(安慰) _________ at a field hospital.
A. | a middle school student | B. | a soldier |
C. | a farmer of Yushu | D. | a doctor |
The 2010 World Expo in Shanghai will end on _________.
A. | September 30 | B. | October 31 | C. | November 30 | D. | December 31 |
The theme of Expo 2010 is "_________"
A. | Better City, Bright future. | B. | Better City, Good Environment. |
C. | Better City, Better Life. | D. | Better City, Best Investment(投资). |
There will be _________ teams taking part in the 19th FIFA World Cup.
A. | 10 | B. | 12 | C. | 13 | D. | 32 |
下列有关实验现象的描述正确的是
A.木炭在空气气中燃烧冒出的黑烟 |
B.红磷在空气中燃烧产生白雾 |
C.铁丝在氧气中燃烧,火星四射,生成黑色固体 |
D.硫在空气中燃烧生成二氧化硫 |
现要在一充满空气的集气瓶中,欲将其中的氧气除去,又不增加其他气体的成分。下列物质在瓶中燃烧可达到目的的是
A.木炭 | B.硫磺 | C.铁丝 | D.红磷 |
下列关于O2的说法不科学的是
A.常用带火星的木条来检验空气中的O2
B.硫在O2里燃烧产生明亮的蓝紫色火焰
C.工业上将空气液化后再进行分离来制取O2
D加热氯酸钾制氧气,可用二氧化锰作催化剂
下列实验操作正确的是
对滴管正确使用方法叙述错误的是
A.滴瓶上的滴管专用,取用试剂后不要洗涤立即放回原位。 |
B.非专用滴管可连续在不同试剂瓶中吸液。 |
C.滴管吸液后,不要平放和倒置,不得放在桌上或它处。 |
D.用滴管向试管中滴加试剂时,滴管要悬空,不得伸入试管或与试管壁接触。 |