??年大å­þ?????½æ°´èµ?æº???人å????????ä»?为ä???å¹³å??æ°´å¹³??å¤?å°?ç­?æ¡?

????????å¸þ=?¥é??年大å­þ?????½æ°´èµ?æº???人å????????ä»?为ä???å¹³å??æ°´å¹³??å¤?å°?ç­?æ¡?ï¼?ä¸?èµ·ç?????§ï???年大å­þ??课å??ä¹?é¢???é¢?????ç­?æ¡???äº??ä¸?ï¼?大å?ä¸?èµ·æ?¥ç??????/p>

??????年大å­þ?????½æ°´èµ?æº???人å????????ä»?为ä???å¹³å??æ°´å¹³??å¤?å°?ç­?æ¡?

??????????äº???è§???建è?ä¸????ºï?è¦?å®??½å?½å???æ°?a href="/heji/huangye" target="_blank">è¡???/a>ï¼?建ç?æ°´è?æº????§çº¦???¶åº¦?????½æ°´èµ?æº???人å????????ä»?为ä???å¹³å??æ°´å¹³??å¤?å°?ï¼?ä¸???å¸???ä¸?????ï¼???¼ºå¾?严é????

????Aï¼?1/2

????B:1/4

????C:1/8

????D:1/16

????ç­?æ¡?ï¼?B

????

????以ä?ï¼?å°±æ???ç¼?å¸þ=?¥ç???³ä???年大å­þ?????½æ°´èµ?æº???人å????????ä»?为ä???å¹³å??æ°´å¹³??å¤?å°?ç­?æ¡????¨é?¨å??容ä?ç»??þèµ?è®?/a>?»ç?¥è??³æ³¨ç²¾å½©åº?游æ??ç½?ä¸?è½½å??