??????q?????????????? q?????????????? q????????????????? ????????q???????????????????????????????????30~45??????????????????ɡ? 1.????? A.??????????κ????????30??????????? B.?????????????20(????20)??????20????????? C.30~45???????????????????45.5??46??????????絽45~60?????? ????????????30~45?????????????55????36????????????????????45~60???????????????70????51???? 2.??????? ?????????塢?????賿?????????????????????????????????????????????????塢???????????? ?????????????????±???????30~45???????????????? 3.???? A.???????????????а????????Ч????????????????????????????????????????ε??????糬?????????л?????? B.????????????????????Ч??????????????????????????????1V2???????????????????????????????д?LZ???1V2????????40?????400+????浳?? C. ??????LZ?????С??10???????????????????15?Ρ?6?????????????????????9???????6?????????ù???С?????1?Ρ???????????????????????ο?????????????????????????????????????o?????????????????????????????????????????????????????????????+????????15??????????????????????鷳??????????????????????????????LZ????????ζ????μ?? 4.??????? ???????????????2?? С???????????????3????С???*7(????) ???????????????4???????*7(????) ??????????? |
?????α???17??