书面表达（满分25分） 假如你是李华，是一名高中生。请你用英语给报社写一封信，反

以下方法所检查的杂质是：在盐酸溶液中，与氯化钡溶液反应，形成白色浑浊液（）.

A．氯化物 

B．硫酸盐 

C．铁盐 

D．砷盐 

E．澄清度

短文改错（共10小题; 每小题1分, 共10分）

If you walk around in some public place, you will notice most of smokers are young people and some are still middle school students. It is said that in China the number of people smoking are about 45%. Why do so many people smoke? Some think smoking gives themselves pleasure. Some even think that smoking can refresh them. In the fact, smoking is a bad habit that makes great harm to people’s health. Studies of smoking show that many kinds of diseases have anything to do with smoking. Smoking itself is a waste, that costs one much money. Besides, many fires are often causing by careless smokers. Today more and more people all over the world want to give up smoking.

1．诗中点明时间和季节的句子是                                             。

2．花鸟本是可娱之物，为何在诗人眼里见到后反而落泪心惊?

3．根据下文，理解“烽火连三月，家书抵万金”包含的思想感情。

若首项为正项的等差数列中S₃=S₁₁则使S_n最大的n为( )．

下列有关基金募集说法正确的是( )。

A．基金募集经核准后，方可发售基金份额
B．基金份额的发售，可由基金托管人进行
C．基金募集期限由核准之日起起算
D．基金募集失败，基金管理人应在期限届满之日起60内返还投资人已交纳款项