联合作用
参考答案:
指两种或两种以上化学污染物共同作用所产生的综合生物学效应。
In the past ten years, the ____mountain climber ____ a lot from his own adventurous _______
A.experienced; experienced; experience
B.experience; experienced; experiences
C.experienced; has experienced; experiences
D.experience; has experience; experience
巧记《红楼梦》人物谱。
十二金钗:______、_______、_______、_______、_______、_______、_______、
_______、_______、_______、_______、_______。
十二贾氏:_______、_______、_______、贾宝玉、贾琏、贾珍、贾环、贾蓉、贾兰、贾芸、贾蔷、贾芹。
十二官:琪官、芳官、藕官、蕊官、药官、玉官、宝官、龄官、茄官、艾官、豆官、葵官。 四春:_______、_______、_______、_______。
四宝:贾宝玉、甄宝玉、薛宝钗、薛宝琴。
四薛:薛蟠、薛蝌、薛宝钗、薛宝琴。
四王:_______、_______、_______、_______。