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脑脊液漏患者忌作
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典型草原是湖沼鲜花与牛马羊群的组合景观，草甸草原是天然放牧牧场。（ ）
请完成下列Java程序。程序的功能是利用迭代法求一个数的平方根(求平方根的迭代公式为：Xn+1=1/2(Xn+a/Xn))。 注意：请勿改动main()主方法和其他已有的语句内容，仅在下划线处填入适当的语句。 public class PingFangGen{ public static void main(String args[ ]){ System.out.println(Math.sqrt(2.0)); } static double sqrt(__________________){ double x=1.0; do { ____________________ } while( Math.abs(x*x-a)/a＞le-6); return x; } }
Most dictionaries will tell you a number of (21) about a language. There are three things in particular that (22) important. These three things are spelling, pronunciation, and meanings. The first and most obvious thing is that a dictionary will (23) you the spelling of a word. If you’ re not sure about the spelling of a word, you can try to find the correct spelling in a dictionary. Words are listed in alphabetical order--a, b, c, and so on .For example, on a dictionary page the word "poor" p, o, o, r--comes before "poverty"--p, o, v, e, r, t, y and the word "poverty" comes (24) the word "power’--p, o, w, e, r. The words are always given in alphabetical Order. The second thing a dictionary will tell you is (25) . Most dictionaries give the pronunciation of a word in a special kind of alphabet. This special alphabet is called a phonetic, or sound alphabet. The phonetic spelling will tell you generally (26) a word is pronounced. There are a few different phonetic alphabets. Many dictionaries use the International Phonetic Alphabet to show pronunciation. The (27) thing a dictionary will tell you is the meanings of words. You can (28) a word and find out what it means. Many words have more than one meaning, and a good dictionary will ex plain all of the word’ s meanings. For example, in English the common word" get" has over 20 different meanings. The meaning, of course, (29) the sentence in which the word’ is used. These three things--spelling, pronunciation, and meanings--are some of the important (30) that you learn from dictionaries. 30（）
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