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证券投资是指投资者(法人或自然人)购买股票、债券、基金券等有价证券以及这些有价证券的衍生品，以获取红利、利息及资本利得的投资行为和投资过程，是间接投资的重要形式。( )
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M: Now, Miss Christina, I see that you are quite a heavy smoker. You told me you smoke about thirty a day. Well, my advice is quite simple: stop smoking. You know that cigarettes cause cancer and heart disease. Have you tried to give upW: Yes, lots of times. But I just find it impossible to stop.M: Well, in that case, let me suggest five things which you can do. First of all, if you smoke strong cigarettes, you should change to milder ones. But that won’t help you if you smoke more. So, secondly, don’t smoke as many cigarettes. Try to cut down by one or two every day. OK The next three points are to do with how you smoke. The most important is this: don’t breathe the smoke in. It’s when you breathe in the smoke that you do most damage to your health. Next, don’t keep the cigarette in your mouth all the time. Pat it in an ashtray when you are not smoking it. And finally, don’t smoke all the cigarette. The end of a cigarette is very dangerous to your health. So put the cigarette out after you have smoke half of it. All right What is the most important suggestion given by the man（）
Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.Now listen to the passage. Who is most likely to want a higher speed limit
与证券价格有关的“可知”资料可以分为三类。第一类资料：包括有关公司、行业、国内及世界经济的所有公开可用的资料，也包括个人、群体所能得到的所有私人的、内部资料；第二类资料：第一类资料中已公布的公开可用的资料；第三类资料：第二类资料中对历史证券市场价格进行分析得到的资料。这三种资料是一种包含关系。( )
TEXT B1 GAZA CITY (CNN Thursday, May 13, 2004 Posted: 8:35 AM EDT (1235 GMT))-Two Israeli helicopter attacks Thursday in Gaza’s Rafah refugee camp have killed 10 people, according to Palestinian security and medical sources.2 The strikes followed Palestinian attacks on Israeli soldiers Tuesday and Wednesday that have claimed 11 soldiers’ lives. This week, violence in Gaza has claimed the lives at least 33 Palestinians as well as the 11 soldiers.3 The fighting comes as Israeli Prime Minister Ariel Sharon works on revising his plan to withdraw military personnel and Jewish settlements from Gaza and parts of the West Bank.4 Israel Defense Forces began the Gaza operation Monday night, saying the mission was aimed at destroying workshops used by Palestinian terrorists to construct Qassam rockets.5 Israeli helicopters first attacked the camp early in the day, killing seven and wounding six others, Palestinian security sources and medical sources said. A second strike was launched around 10:30 a.m. (3:30 a.m. ET), killing three and wounding eight others, the sources said.6 Wednesday night, an Israeli missile strike in Rafah killed seven Palestinians, Palestinian medical sources said. Israel Defense Forces said the Palestinians were targeted because they were trying to hide an explosive device. The strikes on the camp followed an attack that killed five Israeli soldiers traveling in a convoy near Rafah, according to the IDF.Note:7 Sharon’s withdrawal proposal - which would unilaterally withdraw Israeli military and settlements from Gaza and some regions, but not all, of the West Bank-has been praised by President Bush but was voted down in a Likud party referendum May 2.8 The prime minister has said the withdrawal is necessary because the Palestinian Authority had failed to rein in attacks on Israelis and because the diplomatic process is in a "frozen state."9 Palestinians have criticized Israel’s new plan, charging Sharon is attempting to circumvent the negotiations called for in the road map to Middle East peace, which is supported by the United States, the United Nations, the European Union and Russia. Which of the following statements is NOT correct according to the passage
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