2020ѧÄê¶ÈÈ˽̰æ³õÖÐÎïÀíÕæÌâÇ¿»¯ÑµÁ·
¡ª¡ª6.3²âÁ¿ÎïÖʵÄÃܶÈ
1.£¨2019º£ÄÏ£¬17£©Óõç×Ó³Ó¡¢Ò»¸ö²£Á§±ºÍË®£¬¿ÉÒÔ´ÖÂÔ²âÁ¿Ò¬×ÓÓ͵ÄÃܶȡ£ÏȺó²â³ö¿Õ±£¬×°ÂúË®¡¢×°ÂúÓ͵ı×ÓµÄÖÊÁ¿£¬Êý¾ÝÈçÏÂ±í¡£±×ÓÁ½´Î¡°×°Âú¡±£¬ÊÇΪÁËʹ±»²âÁ¿µÄÓͺÍË®_______Ïàͬ¡£¸ù¾Ý²âÁ¿Êý¾Ý¼ÆË㣬Ҭ×ÓÓ͵ÄÃܶÈÊÇ__________kg/m3¡££¨¦ÑË®=1.0¡Á103kg/m3£©
2£®(2019ÒæÑô£¬19) Ϊȷ¶¨Ä³ÖÖ¿óʯµÄÃܶȣ¬ÓÃÌìƽ²âÁ¿³öһС¿é¿óʯµÄÖÊÁ¿Îª35.2g¡£ÓÃÁ¿Í²²âС¿é¿óʯµÄÌå»ýÈçͼËùʾ£¬¸ÃС¿é¿óʯµÄÌå»ýΪ cm3¡£¸ù¾Ý²âÁ¿½á¹û¿ÉÖª£¬¸Ã¿óʯµÄÃܶÈΪ g/cm3
3.£¨2019ËÞǨ£¬14£©ÔÚ²âÁ¿ÎïÖÊÃܶȵÄʵÑéÖУ¬Óõ÷ºÃµÄÌìƽ²âÁ¿Ò»ºÏ½ð¿éµÄÖÊÁ¿£¬Ëù¼ÓµÄíÀÂëºÍÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ¼×Ëùʾ£¬½«ºÏ½ð¿é·ÅÈëÊ¢ÓÐ30mlË®µÄÁ¿Í²ÖУ¬Ë®ÃæλÖÃÈçͼÒÒËùʾ£¬ÔòºÏ½ð¿éµÄÃܶÈΪ______g/cm3£®
4.£¨2019³É¶¼£¬27£©ÔÚ¡°²âÁ¿Ê¯¿éµÄÃܶȡ±ÊµÑéÖÐ:
£¨1£©Ð¡ÀîͬѧÊ×ÏÈÓÃÌìƽ²â³öʯ¿éµÄÖÊÁ¿£¬ÌìƽƽºâʱÓÒÅÌíÀÂëºÍÓÎÂëλÖÃÈçͼ¼×Ëùʾ.Ôòʯ¿éµÄÖÊÁ¿Îª g¡£
£¨2£©ÎªÁ˲âÁ¿³öʯ¿éµÄÌå»ý,СÀîͬѧÏÈÍùÁ¿Í²ÖмÓÈëÒ»¶¨Á¿µÄË®£¬ÈçͼÒÒËùʾ.ËûµÄ²Ù×÷ºÏÀíÂð?Ϊʲô?´ð:
¡£ £¨3£©ËĸöС×é²âÁ¿³öµÄʯ¿éÃܶÈÈçϱíËùʾ:
ÆäÖдíÎóµÄÊÇµÚ ×éµÄ²âÁ¿½á¹û
(4)¶ÔʵÑé½øÐÐÆÀ¹Àʱ,ÏÂÁзÖÎöÕýÈ·µÄÊÇ . A.·ÅÖÃÌìƽµÄ²Ù×÷̨Ã治ˮƽ.²â³öµÄÖÊÁ¿Æ«´ó B.·ÅÖÃÌìƽµÄ²Ù×÷̨Ã治ˮƽ,²â³öµÄÖÊÁ¿Æ«Ð¡ C.ÏȲâʯ¿éÌå»ý,ºó²âʯ¿éÖÊÁ¿,²â³öµÄÃܶÈƫС D.ÏȲâʯ¿éÌå»ý,ºó²âʯ¿éÖÊÁ¿.²â³öµÄÃܶÈÆ«´ó
5.£¨2019ÎäÍþ£¬20£©Ñ§ÍêÖÊÁ¿ºÍÃܶȺó£¬Ð¡Ã÷ºÍС¾üÀûÓÃÍÐÅÌÌìƽºÍÁ¿Í²²âijÖÖÓ͵ÄÃܶȡ£
£¨1£©ËûÃÇ°ÑÌìƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬µ±ÓÎÂëÒÆÖÁÁã¿Ì¶È´¦Ê±£¬Ö¸ÕëÆ«Ïò·Ö¶ÈÅ̵ÄÓҲࡣÕâʱËûÃÇÓ¦½«Æ½ºâÂÝĸÏò________£¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©µ÷£¬Ê¹ºáÁºÆ½ºâ£» £¨2£©Ììƽƽºâºó£¬ËûÃÇ¿ªÊ¼²âÁ¿£¬²âÁ¿²½ÖèÈçÏ£º A£®ÓÃÌìƽ²â³öÉÕ±ºÍÊ£ÓàÓ͵Ä×ÜÖÊÁ¿£»
B£®½«´ý²âÓ͵¹ÈëÉÕ±ÖУ¬ÓÃÌìƽ²â³öÉÕ±ºÍÓ͵Ä×ÜÖÊÁ¿£»
C£®½«ÉÕ±ÖÐÓ͵ÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öµ¹³öµ½Á¿Í²µÄÕⲿ·ÖÓ͵ÄÌå»ý¡£ Çë¸ù¾ÝÒÔÉϲ½Ö裬д³öÕýÈ·µÄ²Ù×÷˳Ðò£º________£¨Ìî×Öĸ´úºÅ£©£»
£¨3£©ÈôÔÚ²½ÖèBÖвâµÃÉÕ±ºÍÓ͵Ä×ÜÖÊÁ¿Îª55.8g£¬ÆäÓಽÖèÊý¾ÝÈçͼËùʾ£¬Ôòµ¹³öµ½Á¿Í²µÄÕⲿ·ÖÓ͵ÄÖÊÁ¿ÊÇ________g£¬Ìå»ýÊÇ________cm3£»
£¨4£©¸ù¾ÝÃܶȵļÆË㹫ʽ¿ÉÒÔËã³ö£¬¸ÃÓ͵ÄÃܶÈÊÇ__________kg/m3¡£ 6.£¨2019 Çൺ£¬21£©²âÁ¿ÑÎË®µÄÃܶȣ¬·½°¸ÈçÏ£º £¨1£©ÓÃÌìƽºÍÁ¿Í²½øÐвâÁ¿ÇëÍê³ÉʵÑé²½Ö裺 ¢ÙÓÃÌìƽ³Æ³öÉÕ±ºÍÑÎË®µÄ×ÜÖÊÁ¿ m1£»
¢Ú½«ÉÕ±ÖеÄÊÊÁ¿ÑÎË®µ¹ÈëÁ¿Í²ÖУ¬¶Á³öÁ¿Í²ÖÐÑÎË®µÄÌå»ý V£»
¢Û ¢ÜÀûÓÃÉÏÊöËù²âÎïÀíÁ¿£¬Ð´³öÑÎË®Ãܶȵıí´ïʽ ¦Ñ ÑÎ £½ ¡£ 7.£¨2019ÄϾ©£¬26£©ÔڿƼ¼½Ú»î¶¯ÖУ¬ÓÐÒ»ÏîÌôÕ½ÏîÄ¿£ºÈçͼËùʾ£¬A¡¢B¡¢C¡¢DÊÇ×°ÂúÁËijһÖÖ²ÄÁÏ£¨Ï¸ÑÎÌú·Û¡¢Ã×·ÛÖеÄÒ»ÖÖ£©µÄËĸö²»Í¸Ã÷µÄÇáÖÊÃܱÕÈÝÆ÷ÒªÇóÔÚ²»´ò¿ªÈÝÆ÷µÄ
Ç°ÌáÏ£¬½«ÆäÖÐ×°ÓÐÏàͬ²ÄÁϵÄÁ½¸öÈÝÆ÷ÌôÑ¡³öÀ´ÌṩµÄÆ÷²ÄÓУº
¢ÙÓëÃܱÕÈÝÆ÷ͬÑùµÄ¿ÕÈÝÆ÷¸÷Ò»¸ö£»
¢ÚÌìƽºÍË®°´ÏÂÁв½ÖèÔÚ¿Õ°×´¦ÌîÉÏÊʵ±µÄÄÚÈÝ¡£
£¨1£©ÓÃÌìƽ·Ö±ð²â³öͼÖÐËĸöÃܱÕÈÝÆ÷µÄÖÊÁ¿mA¡¢mB¡¢mC¡¢mD£» £¨2£© £»
£¨3£©ÈôÂú×ã¹Øϵʽ£º £¨ÓòâÁ¿µÄÎïÀíÁ¿±íʾ£©£¬ÔòA¡¢CÁ½ÈÝÆ÷ÖÐËù×°²ÄÁÏÏàͬ¡£ 8.£¨2019Á¹É½ÖÝ£¬29£©ÔÚ×ö²âÁ¿ÒºÌåÃܶȵÄʵÑéÖУ¬Ð¡Ã÷ÏëÖªµÀʳÓÃÓ͵ÄÃܶȣ¬ÓÚÊÇËûÓÃÌìƽºÍÁ¿Í²×öÁËÈçͼËùʾµÄʵÑé¡£
£¨1£©½«ÍÐÅÌÌìƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬°ÑÓÎÂëÒƵ½±ê³ß×ó¶ËµÄ¡°Á㡱¿Ì¶ÈÏß´¦¡£·¢ÏÖÖ¸Õ뾲ֹʱ£¬Î»ÖÃÈç¼×ͼËùʾ£¬ÔòÓ¦½«Æ½ºâÂÝĸÏò £¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©µ÷½ÚʹºáÁºÆ½ºâ¡£ £¨2£©Ììƽµ÷½Úƽºâºó£¬²â³ö¿ÕÉÕ±µÄÖÊÁ¿Îª28g£¬ÔÚÉÕ±Öе¹ÈëÊÊÁ¿µÄʳÓÃÓÍ£¬²â³öÉÕ±ºÍʳÓÃÓ͵Ä×ÜÖÊÁ¿ÈçͼÒÒËùʾ£¬½«ÉÕ±ÖеÄʳÓÃÓÍÈ«²¿µ¹ÈëÁ¿Í²ÖУ¬Ê³ÓÃÓ͵ÄÌå»ýÈçͼ±ûËùʾ£¬ÔòÉÕ±ÖÐʳÓÃÓ͵ÄÖÊÁ¿Îª g£¬Ê³ÓÃÓ͵ÄÃܶÈΪ kg/m3¡£
£¨3£©Ð¡Ã÷ÓÃÕâÖÖ·½·¨²â³öµÄʳÓÃÓÍÃܶÈÓëÕæʵֵÏà±È £¨Ñ¡Ìî¡°Æ«´ó¡±»ò¡±Æ«Ð¡¡±£©¡£