1930Äê±ÈÀûʱ¡°¹Û˹ºÓ¹Èʼþ¡±£¬1948ÄêÃÀ¹ú¡°¶àŵÀ­ÑÌÎíʼþ¡±£¬1952ÄêµÄ¡°Â׶ØÑÌÎíʼþ£¬ÖÂʹÊýÒÔÍò¼ÆµÄÈËËÀÍö£¬Ê¼þµÄÖ÷½Ç¾ÍÊÇ¡£ÎÒ¹úÊÇÒÔȼÉÕúΪÖ÷ÒªÄÜÔ´µÄ¹ú¼Ò£¬½üÄêÀ´ÓÉÓÚÒýÆðµÄËáÓêÏÖÏóÏ൱Æձ飬¸ø¹¤Å©ÒµÉú²úºÍÈ˵Ľ¡¿µÔì³É¼«´óµÄΣº¦¡£

Çë¸ù¾ÝÒÔÉϲÄÁÏ·ÖÎö£º

£¨1£©ËáÓêµÄpHÊÇ

[¡¡¡¡]

A£®pH£¼7

B£®5.6£¼pH£¼7

C£®pH£¼5.6

D£®pH£¾7

£¨2£©ËáÓê¸øÈËÀàÔì³ÉµÄΣº¦Ö÷ÒªÓÐÄÄЩ£¿

_____________________________________________________________¡£

£¨3£©ÖÎÀíËáÓê¿É²ÉÓõĴëÊ©ÓУº

¢ÙÎÛȾ½ÏÑÏÖصĵØÇø£¬¿É¶àÖÖÖ²

[¡¡¡¡]

A£®·¨¹úÎàÍ©

B£®ÄûÃÊ

C£®Áøɼ

D£®Ñó»±

¢Ú¼õÉÙúµÈ»¯Ê¯È¼ÁÏÀûÓ㬸ÄÓÃ________µÈÐÂÄÜÔ´¡£

´ð°¸£ºÂÔ
½âÎö£º

£¨1£©C£¨2£©Å©ÒµÊÕÈë¼õÉÙ£¬¹¤ÒµÉ豸ÐâÊ´£¬ÒýÆðÈËÀàµÄºôÎüµÀ¼²²¡¼°ÆäËûµÄ¼²²¡£¨3£©¢ÙC¡¢D¡¡¢ÚÌ«ÑôÄÜ

[½âÎö]¡¡´óÆøÖйý¶à£¬Óë´óÆøÖеÄË®½áºÏ£¬Ðγɣ¬Ë潵ˮÂäÈëÍÁÈÀ»òË®ÌåÖУ¬ÐγÉËáÓê¡£ËáÓêµÄpHСÓÚ5.6£¬ËáÓêËØÓС°¿ÕÖÐËÀÉñ¡±Ö®³Æ¡£Ëü»áÖ±½ÓÉ˺¦Ö²ÎïµÄÑ¿ºÍÒ¶£¬Ó°ÏìÖ²ÎïµÄÉú³¤£¬Ê¹Å©×÷Îï¼õ²ú¡£Ëü¿ÉÒÔʹˮÌåËữ£¬´Ó¶øʹÓãÀàµÄÉúÖ³ºÍ·¢ÓýÊܵ½ÑÏÖØÓ°Ï죬ʹÓæÒµÃÉÊܾ޴óËðʧ£¬ËáÓ껹»á¸¯Ê´½¨ÖþÎïºÍ½ðÊô²ÄÁÏ¡£´óÆøÖÐŨ¶È¹ý¸ß»áÒýÆðÈËÀàһϵÁеĺôÎüµÀ¼²²¡¼°ÆäËû¼²²¡¡£Áøɼ¡¢ÃÀÈ˽¶¡¢Ô¼¾¡¢¶¡Ïã¡¢¾Õ»¨¡¢ÒøÐÓ¡¢Ñó»±µÈÄÜÎüÊÕ£¬¸ÄÓÃÌ«ÑôÄܵÈÐÂÄÜÔ´¿ÉÒÔ¼õÉٵIJúÉú£¬½ø¶ø·ÀÖ¹²úÉúËáÓê¡£


Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

ͬ²½Á·Ï°²á´ð°¸