规则顺例散光，远视散光轴向为（） A.竖轴散光 B.横轴散光 C.斜轴散光 D.对称

Give water, save lives

A bottle of water may not seem like much to you, but thousands of bottles will be of great help for people who live in drought-hit(遭受旱灾) areas in China.

Since last autumn, there has been very little rain in Southwest China. Some places, especially in Yunnan . Guangxi, Sichuan, Guizhou, have experienced a serious drought. Crops (庄稼) died, the land cracked, and wells (井) and rivers dried up. More than 20 million people are having difficulty in finding safe drinking water.

After learning about the drought, many people around the country helped by giving water, money and other things.

Last week, every member of the Communist Youth League (共青团员) and Young Pioneers(少先队员) were encouraged to give one bottle of water to the drought-hit areas. Students in primary schools and middle schools quickly joined the activity. In Yuhua Primary School in Xi’ an, 900 students bought over 1,000 bottles of water with their pocket money. They also wrote their wishes on the bottles.

The serious drought has also made students realize the importance of saving water.

Students from Nanshan Middle School in Huizhou in Guangdong went on the street to tell people to take part in water-saving activities.

“I’ve heard that some children in drought-hit areas don’ t have enough drinking water. They have to drink muddy ( 含有泥土的 ) water. I feel really sad about that," said one student. “I decide to take a shower twice a week instead of every day to save water.”he said.

小题1:Why did a serious drought happen in Southwest China?  

___________________________________________________________________________                     小题2:What does the underlined (划线的) word "cracked" probably mean in Chinese?

______________________________________________                   !

小题3:What did people do after learning about the drought?

小题4:Is a bottle of water helpful for the people in drought-hit areas?

小题5:What can you learn from the passage?                                     

合理用药安全性的实质内容是

A．药物的毒副作用最小

B．无不良反应

C．风险/效应尽可能小

D．无致畸形

E．无致癌性

1．绘制实际进度前锋线，并计算累计完成投资额。 2．如果后续工作按计划进行，试分析上述三项工作对计划工期产生了什么影响。 3．重新绘制第9周至完工的时标网络计划。 4．如果要保持工期不变，第9周后需压缩哪项工作。

指出MOV AX，[DX]指令的错误原因。

计算出“陆凭凭”所持有的全部外币相当于人民币的价值数量，下列语句正确的是( )。 (某种外币相当于人民币数量的计算公式：人民币价值数量=该种外币的“现钞买入价” *该种外币“持有数量”)

A．SELECT SUM (现钞买入价*持有数量)AS 人民币价值；FROM 持有数外汇名；WHERE 外汇名．外币代码=持有数外币代码；AND 姓名=“陆凭凭”

B．SELECT SUM (现钞买入价*持有数量)AS 人民币价值；FROM 持有数，外汇名；WHERE 外汇名．外币代码=持有数外币代码；FOR 姓名=“陆凭凭”

C．SELECT COUNT (现钞买入价*持有数量)AS 人民币价值；FROM 持有数，外汇名； WHERE 外汇名．外币代码=持有数．外币代码； AND姓名=“陆凭凭”

D．SELECT COUNT (现钞买入价*持有数量)AS 人民币价值；FROM 持有数，外汇名； WHERE 外汇名．外币代码=持有数．外币代码；FOR姓名=“陆凭凭”