2022 英语周报 高二 课标 2cqy答案

参考范文NoticeAs the 71 Anni versary of the Founding of the Peoples Republ ic of china isdrawing near, Students Union is going to organize an eng l i sh speech contest, whosetheme is I Am Proud of My Country, to descr ibe the big changes which have takenplace in our be loved country and express sincere wishes. the contest wi l be heldin the Lecture Hal l on the second floor in the Main bui lding from 2: 00 p. m. to 4: 00p. m on September 30thThose wi ll ing to participate are supposed to sign up at studentsun ion. qg. combefore September 10th. Every fe l low school mate is warmly we l come to be thereThanks for your participat i orStudents Union

4.【答案】C【命题意图】本题考查学生的数学抽象和计算能力【解析】设基准琴弦的长度为1,则根据“三分损益法”得到的另外四根琴弦的长度依次斯816649,2781五根琴弦的长度从大到小依次为1,8.4,2,1,所以“角”和“微”对应的琴张度分别为和2,其长度之比为

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