对于肺炎支原体肺炎，下列描述错误的是______
A．白细胞计数不一定升高
B．冷凝集试验常为阳性
C．首选药物为红霉素
D．好发于中老年人
参考答案：D
解析：本题主要考查的知识点是肺炎支原体肺炎的相关知识。
肺炎支原体肺炎好发于青少年，呈散发感染或小流行；实验室检查可见白细胞正常或稍高，起病2周后大部分患者冷凝集试验阳性；治疗药物首选红霉素，也可用罗红霉素或阿奇霉素。
Directions：Read the following passage．Fill in the numbered blanks by using the information from the passage．Write NO MORE THAN THREE WORDS for each answer． New Year traditions all around the world “Happy New Year!” Everyone will greet each other with these words as they meet each other over the next couple of weeks. But it wasn’t always January 1 that marked the New Year. At least 4,000 years ago, the ancient Egyptians and Babylonians marked the changing of the year. In Egypt, the year started when the Nile River flooded, enriching farmers’ fields. This happened at the end of September. The Babylonians held a festival in the spring, on March 23, to kick off the next farming cycle. The Babylonian celebration lasted for 11 days. The date January 1 was picked by the Roman Emperor Julius Caesar as the change of the year when he established his own calendar in 46 BC. The month of January originates from the Roman god, Janus. He is pictured with two heads. One head looks forward and the other back. They represent a break between the old and new. The new calendar was in time with the sun and it has been used until the present day. In Vietnam, the New Year holiday happens in February. They buy fresh flowers and a peach blossom to put in their house, following the Vietnamese custom. Thailand has its specific New Year’s date; it’s different from the normal calendar. The Thai New Year is celebrated on April 13. On this day, Thai people play with water, throwing it on each other. It is intended to bring good luck during the New Year ahead. In China, the more favorable New Year is usually celebrated in February according to lunar calendar (阴历). On New Year’s Eve, all family members sit together at table, enjoying lots of auspicious foods such as dumplings, chicken to bring good luck. New Year traditions all around the world
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