phoenix—angel phoenix—angel
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高考理综试题(全国卷)——仙剑版 一、选择题(从四个备选答案中选出一个最佳答案。选对得6分,选错得0分) 1.刘晋元中了毒娘子的毒后,彩依为刘晋元熬药。药剂最有可能加强刘晋元体内效应B细胞的哪种细胞器的活性?         A.线粒体          B.细胞核         C.核糖体         D.中心体 2.圣姑想要把院中的龙涎草移植到院外,她最好选用哪种微生物来拌种?         A.圆褐固氮菌         B.根瘤菌         C.大肠杆菌         D.乳酸菌 3.琼华、蜀山以斩妖除魔为己任,导致多种物种灭绝,这种行为却广遭后人非议。原因是这种行为降低了生态系统的:         A.恢复力稳定性         B.抵抗力稳定性         C.可持续发展性         D.平衡性 4.景天一行人来到海底城,遇到水碧、溪风。期间被海水环绕,且水中氧气量并不高。那么他们血液的PH会:         A.升高         B.降低         C.保持不变         D.以上都有可能 5.永安当中,因为地震,雪见用唐门毒镖误伤景天,引发景天组织水肿。引发组织水肿的水主要来自:         A.血液         B.淋巴         C.细胞质基质         D.内环境 6.剑冢中遍地是利刃。经考证,剑冢为春秋时代所造,那么剑冢中剑的材料最可能是:         A.铜         B.青铜         C.铁         D.不锈钢 7.雪见的头饰最有可能是银制。已知银有两种同位素,其中一种为Ag-107,另一种为Ag-109,且两种同位素在自然界中存在量近似相等。下列说法正确的是:         A.如果雪见头饰重108g,则头饰中含有1mol的银分子         B.银不是过渡元素         C.银的性质很活泼         D.银的摩尔质量为108g/mol 8.景天为龙葵从永安当中偷出了古代宫廷服饰,经测定,衣服为有机材料。下列相关说法错误的是:         A.龙葵穿着它进入海底城,说明有机物大都不溶于水。         B.龙葵穿着它前去熔岩地狱找火灵珠,说明有机物大都不可燃。
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