美国《Science》杂志曾报道合成和分离出含高能量正离子N5+的化合物N5AsF6，下列关于该化合物的描述错误的是
| A．化合物N5AsF6中F的化合价为-1价 | B．N5+中可能含有氮气 |
| C．化合物N5AsF6中As的化合价为+5 | D．N5AsF6可能是离子化合物 |
 |
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. |
 |
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 |
Mr Brown saw a sweater in a shop window. It wa
s very cheap, so he bought it. When he got home, he put it on. It was all right and he was pleased with it.
In the afternoon, he went to work in his garden. It soon began to rain and Mr Brown had to run into the house. He ran quickly, but he still got wet. Then his sweater started to shrink(收缩)! It got smaller and smaller. Mr Brown tried to take it off, but he couldn't.
In the end, with the help of his wife, he got out of the sweater. Mrs Brown laughed, "You see, you bought a cheap thing, but…"
Mr Brown saw a nicein a shop window. And he bought it.
| A． | jacket | B． | coat | C． | sweater | D． | shirt |
When he, he put it on.
| 1． |
Mr Brown got wet and he tried tothe sweater.
From the story, we know Mr Brown bought.
|
请阅读下面短文，选择最佳答案，将其标号在答题卡上涂黑。
Smiling is the best way of making friends.
When I was thirteen 46 old, my father found a job in the city. So my family moved there. I also came to a 47 school near where we live. My old school was far away. At first, I did not know anyone in my class. I was very lonely 48 I was afraid to make friends with my classmates. I 49 talk to anyone about my problem, and I didn't want my parents to 50 me.
Then one day, something good happened. I was sitting at my desk 51 as usual while my classmates were talking happily with each other. At that moment, 52 came into the classroom. I didn't know who he was. He passed me and then turned back. He looked 53 me and, without a word, smiled. Suddenly, I felt happy, lively and warm. That smile changed my life. I started to talk with the other classmates and made friends. Day by day, I became 54 to everyone in my class.
55 the smile, I have moved on to a new life. Now, I believe that the world is what you think it is. So smile at the world and it will smile back.
| 1 | |||
| A．days | B．weeks | C．months | D．years |
| 2 | |||
| A．old | B．new | C．same | D．easy |
| 3 | |||
| A．because | B．before | C．after | D．if |
| 4 | |||
| A．couldn't | B．mustn't | C．needn't | D．won't |
| 5 | |||
| A．talk to | B．look after | C．worry about | D．ask for |
| 6 | |||
| A．early | B．unhappily | C．quickly | D．wonderfully |
| 7 | |||
| A．a girl | B．a boy | C．some girls | D．some boys |
| 8 | |||
| A．of | B．on | C．at | D．into |
| 9 | |||
| A．closer | B．older | C．cooler | D．colder |
| 10 | |||
| A．Instead of | B．Look forward to | C．Pay attention to | D．Thanks to |
This is my beautiful school is near the famous library.
| A． | where | B． | which | C． | who | D． | when |
粤公网安备 44130202000953号