皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
(2019· 石家庄摸底考试 ) 欧亚苔原生态系统的旅鼠以苔草为主要食物。苔草被旅鼠大量啃食时,可产生胰蛋白酶抑制因子,抑制旅鼠消化道内蛋白质的水解,减少了旅鼠小肠上皮细胞对氨基酸的吸收,即苔草的 “ 化学防御 ” 。如图为某一时期旅鼠种群密度与苔草化学防御水平的研究结果。下列相关叙述不正确的是 ( )
A.
．生态系统生产者苔草的种群增长受其密度制约
B.
．可推测此前一段时间样地一中旅鼠种群密度过高
C.
．可预测样地三中的苔草化学防御水平此后将会降低
D.
．苔草化学防御水平的变化有助于维持苔原生态系统稳态
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【多选题】下列各项中属于应付票据核算的票据有 ( )
A.
银行汇票
B.
银行本票
C.
商业承兑汇票
D.
银行承兑汇票
查看完整题目与答案
【单选题】In considering people for jobs, we give ____ to those with some experience.
A.
decision
B.
attempt
C.
preference
D.
reputation
查看完整题目与答案
【单选题】I am one of the many city people who are always saying that given the choice we would prefer to live in the country away from the dirt and noise of a large city. I have managed to convince myself that...
A.
the parents may become violent and difficult to put up with
B.
the residents may not have a good view from their windows
C.
the residents may become indifferent to their neighbors
D.
the children may become too frustrated to be controlled
查看完整题目与答案
【单选题】People develop______ preference for a particular style of learning at______ early age and these preferences affect learning.
A.
a; an
B.
a;不填
C.
不填;the
D.
the ;an
查看完整题目与答案
【多选题】下列关于食品安全管理的法律规定，说法正确的是：
A.
声称具有特定保健功能的食品不得对人体产生急性、亚急性或者慢性危害，其标签、说明书不得涉及疾病预防、治疗功能，内容必须真实；产品的功能和成分必须与标签、说明书相一致
B.
集中交易市场的开办者、柜台出租者和展销会举办者，应当审查入场食品经营者的许可证，明确入场食品经营者的食品安全管理责任，定期对入场食品经营者的经营环境和条件进行检查
C.
食品生产者发现其生产的食品不符合食品安全标准，应当立即停止生产，召回已经上市销售的食品，通知相关生产经营者和消费者，并记录召回和通知情况。
D.
社会团体或者其他组织、个人在虚假广告中向消费者推荐食品，使消费者的合法权益受到损害的，与食品生产经营者承担连带责任
查看完整题目与答案
【单选题】I am one of the many city people who are always saying that given the choice we would prefer to live in the country away from the dirt and noise of a large city. I have managed to convince myself that...
A.
used to live in the country
B.
used to work in the city
C.
works in the city
D.
lives in the country
查看完整题目与答案
【简答题】She's used all the hot water.
查看完整题目与答案
【简答题】禾铭科技是一家专门从事生物能源利用与再造的企业，随着低碳时代的到来，公司迎来了前所未有的市场空间，其空气净化系列、生物混合燃料和光网城市工程等项目的扩展急需补充大量新员工，企业创始人是科技工作者，在人事方面经验欠缺，请为他们提供一套人才选拔的基本程序和方法。
查看完整题目与答案
【简答题】I am one of the many city people who are always saying that given the choice we would prefer to live in the country away from the dirt and noise of a large city. I have managed to convince myself that...
查看完整题目与答案
【多选题】下列各项中属于应付票据核算的票据有 ( )
A.
银行汇票
B.
支票
C.
 商业承兑汇票
D.
银行承兑汇票
查看完整题目与答案
相关题目：
【多选题】下列各项中属于应付票据核算的票据有 ( )
A.
银行汇票
B.
银行本票
C.
商业承兑汇票
D.
银行承兑汇票
查看完整题目与答案
【单选题】In considering people for jobs, we give ____ to those with some experience.
A.
decision
B.
attempt
C.
preference
D.
reputation
查看完整题目与答案
【单选题】I am one of the many city people who are always saying that given the choice we would prefer to live in the country away from the dirt and noise of a large city. I have managed to convince myself that...
A.
the parents may become violent and difficult to put up with
B.
the residents may not have a good view from their windows
C.
the residents may become indifferent to their neighbors
D.
the children may become too frustrated to be controlled
查看完整题目与答案
【单选题】People develop______ preference for a particular style of learning at______ early age and these preferences affect learning.
A.
a; an
B.
a;不填
C.
不填;the
D.
the ;an
查看完整题目与答案
【多选题】下列关于食品安全管理的法律规定，说法正确的是：
A.
声称具有特定保健功能的食品不得对人体产生急性、亚急性或者慢性危害，其标签、说明书不得涉及疾病预防、治疗功能，内容必须真实；产品的功能和成分必须与标签、说明书相一致
B.
集中交易市场的开办者、柜台出租者和展销会举办者，应当审查入场食品经营者的许可证，明确入场食品经营者的食品安全管理责任，定期对入场食品经营者的经营环境和条件进行检查
C.
食品生产者发现其生产的食品不符合食品安全标准，应当立即停止生产，召回已经上市销售的食品，通知相关生产经营者和消费者，并记录召回和通知情况。
D.
社会团体或者其他组织、个人在虚假广告中向消费者推荐食品，使消费者的合法权益受到损害的，与食品生产经营者承担连带责任
查看完整题目与答案
【单选题】I am one of the many city people who are always saying that given the choice we would prefer to live in the country away from the dirt and noise of a large city. I have managed to convince myself that...
A.
used to live in the country
B.
used to work in the city
C.
works in the city
D.
lives in the country
查看完整题目与答案
【简答题】She's used all the hot water.
查看完整题目与答案
【简答题】禾铭科技是一家专门从事生物能源利用与再造的企业，随着低碳时代的到来，公司迎来了前所未有的市场空间，其空气净化系列、生物混合燃料和光网城市工程等项目的扩展急需补充大量新员工，企业创始人是科技工作者，在人事方面经验欠缺，请为他们提供一套人才选拔的基本程序和方法。
查看完整题目与答案
【简答题】I am one of the many city people who are always saying that given the choice we would prefer to live in the country away from the dirt and noise of a large city. I have managed to convince myself that...
查看完整题目与答案
【多选题】下列各项中属于应付票据核算的票据有 ( )
A.
银行汇票
B.
支票
C.
 商业承兑汇票
D.
银行承兑汇票
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题