请用英语为某校广播站写一则听英语讲座的广播通知，内容要点如下：

1．时间：10月1 5日下午3：30

2．地点：学校礼堂

3．讲座内容：美国的社会问题

4．主讲人：刚访美归来的陈军老师

5．出席对象：九年级全体学生

6．其他事项：自拟

注意：1．通知须用一段活包括所给内容要点，但不要逐条译成英语；

2．第6要点的内容须用3、4句话展开合理想象，作适当发挥；

3．词数80个左右，通知的开头和结尾已经给出，不计入总词数。

4．参考词语：听讲座attend a lecture

Boys and girls，

May I have your attention，please?

That's all．Thank you．

完成句子（按所给的汉语，用英语完成下列句子。）

1．你的申请表务必准时上交。

Your application form must ___________．

2．汽车产生的废气对环境有不良影响。

Waste gases which are produced by cars have ___________ the environment．．

3．天气预报有没有报道如此潮湿的天气将持续多久？

Does the weather report say ___________?

4．这位作家很谦虚，从不炫耀他的学问。

This writer is very modest and he ___________．

5．我想知道你是否对测试的结果感到满意。

I wanted to know ___________ the result of the test or not．

6．由于浓雾，昨天上午从无锡到北京的飞机比平常晚了两个小时起飞。

Yesterday morning the plane from Wuxi to Beijing ___________ because of the thick fog．

缺词填空（先通读下面的短文。然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。）

Millions of words have been w________（1）about young people in the USA．There are reasons for this great i________（2）in their ideas，feelings and actions．

Today there are about seven million Americans in colleges and universities（大学）．Young persons u________（3）twenty-five make up nearly half of the American p________（4）．Many of these will soon be in charge of（负责管理）the nation．Naturally their ideas are i________（5）to everyone in the country，and it is necessary for older people to understand what they t________（6）and feel．

College students today have strong o________（7）about right and wrong．They are deeply interested in m________（8）a better life for all people，e________（9）for those who have not been given a f________（10）chance before now．They see much that is wrong in the lives of their parents．It is h________（11）for them to see what is right and good in the older ways．As a result，there is often t________（12）in American families．

动词填空（用括号内所给动词的适当形式填空。）

1．No country ________（make）such great progress as China in the past thirty years．

2．Usually the thunder ________（hear）after the lightning．

3．You ________（not know）what the pear tastes like if you don't eat it．

4．Shortly after he knew some English，he went on ________（teach）himself French．

5．The little girl will give the flowers to the hero when he ________（appear）．

6．Sometimes clouds are so thick that they do not let much sunshine ________（come）through．

7．In the old days the working people in our country ________（look）down on．

8．The engineer ________（search） for some information on the Internet in the study while his wife was cooking in the kitchen．

9．I don't think Aunt Wu would mind ________（take） care of our children while we're away．

10．The old scientist was awarded a gold medal for what he ________（do）for the development of modern science since the mid-twentieth century．

根据句意，写出括号内所给单词的适当形式。

1．The three ________（spaceman）of Shenzhou Ⅶ Spaceship were warmly welcomed in Hong Kong．

2．Daniel' mother has devoted ________（she）to the teaching of Home Economics．

3．What an ________（enjoy）journey they had the day before yesterday!

4．The ________（humour）story made all of US laugh．

5．His poor eyesight is a ________（advantage）to him．