一般情况下,可采用()的方法来提高电路的功率因数。A、降低负载本身的功率因数B、在电感性负载上并
一般情况下,可采用()的方法来提高电路的功率因数。 A、降低负载本身的功率因数 B、在电感性负载上并联适当电容 C、在电感性负载上串联电容 D、以上选项均不正确
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Look at the topic headings below, marked A, B, C, D E, and F, and match them with the paragraphs in the text below. There is one extra heading which you don’t need to use. Questions 1-5 are based on the following passage. A.Some cultures communicate by using signals. B.The commonest form of greeting is kiss. C.Using body language can say much more than words. D.The international business community is busy learning languages. E.The handshake is a universal form of greeting. F.Greeting people with a kiss can create confusion. 1 ______ One of the most important aspects of doing business internationally is being able to speak other languages. For this reason, there is a current boom in language learning for business people. But unless they can speak a foreign language really well, it is best to save it for socializing. 2 ______ But actions speak louder than words, and psychologists say that your body language is much more important than what you say. Doing the wrong thing, making eye contact, touching, using people’s first names, even how you eat and drink—can all be hazardous for people who are unfamiliar with certain cultures. 3 ______ Cultures are divided into “low context” and “high context”. In low context cultures such as North America, Britain, Sweden and Germany, people say things very plainly, and rely on clear verbal communication. High context cultures such as France, Japan, Spain, Saudi Arabia, China and South Korea often use silence or hand signals to communicate, and this can sometimes be as important as speaking. 4 _______ Shaking hands is often the most common form of greeting people, but even this can create problems. In Japan, people bow to each other. In England, people shake hands firmly, but not very often—while in places like Italy and France people shake hands all the time but not as firmly as the English. The Germans and the Danish nod their heads while they shake hands, as a mark of respect, while people in Mediterranean countries sometimes lean their heads backwards while doing the same thing. 5 _______ People from “low context” cultures tend to look into other people’s eyes, but in “high context” cultures such as the Chinese and Japanese, this can be interpreted as aggressive behavior. As a rule, though, close physical greetings such as kissing are not a good idea. For example, the British kiss each other once, on the right cheek, the French kiss each other twice, first on the left cheek and then on the right, but in some cultures, especially in the Middle East, they kiss up to four times and still shake hands!
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