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在下面Java Applet程序的下画线处填入代码，使程序完整并能够正确运行。
import javA.applet.*;
import javA.awt.*；
public class HelloWorld ______ {
public void paint(Graphics g) {
g.drawString('Hello World!'，25,25)；
}
}

A.applet.*;
B.awt.*；
C.drawString('Hello

【参考答案】

extends Applet
extends Applet
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Are You a Successful Leader?1. Almost nothing we do in this word is done in isolation. At work or at play, you’ll find yourself in groups, working with other people: your team at work, a meeting with colleagues, your family, a holiday with friends, a group of students working together, a day out walking in the mountains, a group of neighbors wanting to make changes. It is now recognized that being able to work successfully with other people is one of the major keys to success. Partly because we need to do it so often.2. In almost every situation where you’re in a group, you will need a skilled leader. All groups need leaders and all successful groups have good leaders. Groups without leaders or with weak leaders almost always break down. Members of a leaderless group often begin to feel dissatisfied and frustrateD.Time is wasted and the tasks are not achieveD.There are often arguments and tensions between people as there is nobody to keep the goals clear. Some personalities dominate and other disappears. Often group members begin not to come to meetings in order to avoid more disharmony.3. Some people are natural leaders. The celebrity chef, Antonio Carlucci says, “True leaders a re born and you can spot them in kitchens.” They’re people who combine toughness, fairness and humour. Although a lot of people agree that there are some natural –born leaders, most people now recognize that leadership can also be taught. Our professional and experienced staff can train almost anyone how to be a successful leader. Good leaders don’t make people do things in a bossy, controlling way. You can learn how to involve everyone, encouraging the whole group to work towards a common goal4. Our training courses use activities and techniques to develop a range of qualities which are necessary to be a good leader. Self-confidence is vital and being able to overcome your own fears about being a leader. Successful leaders also need to be calm and intelligent. They need to be able to work out good strategies and make sound judgments under pressurE.Lastly, and probably most importantly, good leaders need to be sensitive, sociable and be able to get on with a wide range of peoplE.Good leadership is essentially the ability to influence others and good leaders allow all members of the group to contributE.Paragraph 1______A.A good leader needs a variety of qualities.B.These techniques are used to train leadersC.Training can make good leadersD.Most of good leader are natural-bornE.It’s important to have a good leaderF.People are in groups??Paragraph 2______A.A good leader needs a variety of qualities.B.These techniques are used to train leadersC.Training can make good leadersD.Most of good leader are natural-bornE.It’s important to have a good leaderF.People are in groupsParagraph 3 ______A.A good leader needs a variety of qualities.B.These techniques are used to train leadersC.Training can make good leadersD.Most of good leader are natural-bornE.It’s important to have a good leaderF.People are in groupsParagraph 4______A.A good leader needs a variety of qualities.B.These techniques are used to train leadersC.Training can make good leadersD.Most of good leader are natural-bornE.It’s important to have a good leaderF.People are in groupsOne of the major keys to success is______.A.the ability to work with others.B.encouraging group membersC.lack of good leadersD.bossing people aroundE.working out good strategiesF.overcoming fears about being a leaderGroups often break down because of______.A.the ability to work with others.B.encouraging group membersC.lack of good leadersD.bossing people aroundE.working out good strategiesF.overcoming fears about being a leaderGood leaders always avoid______.A.the ability to work with others.B.encouraging group membersC.lack of good leadersD.bossing people aroundE.working out good strategiesF.overcoming fears about being a leaderSelf-confidence is the key to______.A.the ability to work with others.B.encouraging group membersC.lack of good leadersD.bossing people aroundE.working out good strategiesF.overcoming fears about being a leader请帮忙给出每个问题的正确答案和分析，谢谢！
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某公司2009年销售额为1000万元，销售净利率为12%。其他有关资料如下：①2009年财务杠杆系数为1.5；②2009年固定经营成本为240万元；③所得税税率为40%；④2009年普通股股利为150万元。要求：(1)计算2009年的税前利润。(2)计算2009年的息税前利润。(3)计算2009年的利息。(4)计算2009年的边际贡献。(5)计算2009年的经营杠杆系数。(6)计算2009年的总杠杆系数。(7)若2010年销售额预期增长20%，则每股收益比上年增长了多少?
A.5；②2009年固定经营成本为240万元；③所得税税率为40%；④2009年普通股股利为150万元。
要求：
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