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【单选题】
由于通货紧缩,A公司不打算从外部融资,而主要靠调整股利分配政策,扩大留存收益来满足销售增长的资金需求。历史资料表明,该公司经营资产、经营负债与销售总额之间存在着稳定的百分比关系。现已知经营资产销售百分比为65%,经营负债销售百分比为20%,计划下年销售净利率为8%,不进行股利分配。据此,可以预计下年销售增长率为( )。
A.
21.62%
B.
15.38%
C.
22.65%
D.
12.5%
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【单选题】一个班40名同学参加考试后，老师发现大部分同学成绩集中于高分段。下列描述不可能正确的是
A.
全班 65% 的同学考试成绩高于均值
B.
全班 65% 的同学考试成绩高于中数
C.
全班 65% 的同学考试成绩高于众数
D.
全班同学考试成绩是负偏态分布
查看完整题目与答案
【多选题】Which of the following are the correct descriptions of the process of fertilization?
A.
The sperm has to get through corona radiate to finish fertilization.
B.
Fertilization occurs when the sperm can deliver its genetic material.
C.
The egg is released from the fallopian tube to meet the sperm.
D.
When egg and sperm fuse, a diploid cell is formed.
查看完整题目与答案
【简答题】8051的堆栈区一般开辟在（）
查看完整题目与答案
【单选题】一个班40名同学参加考试后，老师发现大部分同学成绩集中于高分段。下列描述中不可能正确的是______。
A.
全班65%的同学考试成绩高于均值
B.
全班65%的同学考试成绩高于中数
C.
全班65%的同学考试成绩高于众数
D.
全班同学考试成绩是负偏态分布
查看完整题目与答案
【单选题】___________ is the second phase of the ovarian cycle in which a mature egg is released from the ovarian follicles into the oviduct.
A.
Menstruation
B.
Bleeding
C.
Ovulation
D.
Menopause
查看完整题目与答案
【判断题】The egg is released by the ovaries into the fallopian tube.
A.
正确
B.
错误
查看完整题目与答案
【单选题】一个班 40同学参加考试后,老师发现大部分同学成绩集中于高分段。下列描述中不可能正确的是( )。
A.
全班 65%的同学考试成绩高于均值
B.
全班 65%的同学考试成绩高于中数
C.
全班 65%的同学考试成绩高于众数
D.
全班同学考试成绩是负偏态分布
查看完整题目与答案
【单选题】___________ is the second phase of the ovarian cycle in which a mature egg is released from the ovarian follicles into the oviduct.
A.
Menstruation
B.
Bleeding
C.
Ovulation
D.
menopause
查看完整题目与答案
【单选题】下列对原文的叙述和分析 , 不正确 的一项是 ( )
A.
. 【甲】 文通过乙钓鱼效率的提高 ， 突出了甲所说道理的正确性 ， 也表明乙极不情愿听取别人意见 ， 对甲的话不闻不问 。
B.
. 【甲】 文写出了做事不能急躁 ， 要淡定从容 ， 专心致志 ， 持之以恒 ， 保有内心的宁静 ，才 能取得好的成绩
C.
. 【乙】 对于羊子拾金 ， 其妻引用古训劝丈夫不要求利污行 ， 阐述了做人要洁身自好的道理 ； 对于羊子辍学 ， 其妻以织布为喻劝丈夫不要中途弃学 ， 阐明了学习要持之以恒的道理 。
D.
. 【甲 】【乙】 两文在写法、构思上都有相同之处 ， 都有情节 ， 有人物 ， 有议论 ， 有描述 ， 以小见大 ， 寓意发人深省 。
查看完整题目与答案
【多选题】How is fertilization carried out?
A.
Of the 300 million human sperm ejaculated during ual intercourse, only about 200 reach the site of fertilization in the oviduct. Sperm are attracted to an ovulated egg by chemical signals released by both the egg and the supporting cells that surround it. Once a sperm finds the egg, it must migrate through a protective layer of cells and then bind to, and tunnel through, the egg coat, called the zona pellucida.
B.
Finally, the sperm must bind to and fuse with the underlying egg plasma membrane. Although fertilization normally occurs by this process of sperm–egg fusion, it can also be achieved artificially by injecting the sperm directly into the egg cytoplasm; this is often done in infertility clinics when there is a problem with natural sperm–egg fusion.
C.
Although many sperm may bind to an egg, only one normally fuses with the egg plasma membrane and introduces its DNA into the egg cytoplasm. The control of this step is especially important because it ensures that the fertilized egg—also called a zygote—will contain two, and only two, sets of chromosomes. Several mechanisms pr multiple sperm from entering an egg. In one mechanism, the first successful sperm triggers the release of a wave of Ca 2+ ions in the egg cytoplasm. This flood of Ca 2+ in turn triggers the secretion of enzymes that cause a “hardening” of the zona pellucida, which prs “runner up” sperm from penetrating the egg. The Ca 2+ wave also helps trigger the development of the egg. To watch a fertilization-induced calcium wave.
D.
The process of fertilization is not complete, however, until the two haploid nuclei (called pronuclei) come together and combine their chromosomes into a single diploid nucleus. Soon after the pronuclei fuse, the diploid cell begins to divide, forming a ball of cells that—through repeated rounds of cell division and differentiation—will give rise to an embryo and, ually, an organism. Fertilization marks the beginning of one of the most remarkable phenomena in all of biology—the process by which a single-celled zygote initiates the developmental program that directs the formation of a new individual.
查看完整题目与答案
相关题目：
【单选题】一个班40名同学参加考试后，老师发现大部分同学成绩集中于高分段。下列描述不可能正确的是
A.
全班 65% 的同学考试成绩高于均值
B.
全班 65% 的同学考试成绩高于中数
C.
全班 65% 的同学考试成绩高于众数
D.
全班同学考试成绩是负偏态分布
查看完整题目与答案
【多选题】Which of the following are the correct descriptions of the process of fertilization?
A.
The sperm has to get through corona radiate to finish fertilization.
B.
Fertilization occurs when the sperm can deliver its genetic material.
C.
The egg is released from the fallopian tube to meet the sperm.
D.
When egg and sperm fuse, a diploid cell is formed.
查看完整题目与答案
【简答题】8051的堆栈区一般开辟在（）
查看完整题目与答案
【单选题】一个班40名同学参加考试后，老师发现大部分同学成绩集中于高分段。下列描述中不可能正确的是______。
A.
全班65%的同学考试成绩高于均值
B.
全班65%的同学考试成绩高于中数
C.
全班65%的同学考试成绩高于众数
D.
全班同学考试成绩是负偏态分布
查看完整题目与答案
【单选题】___________ is the second phase of the ovarian cycle in which a mature egg is released from the ovarian follicles into the oviduct.
A.
Menstruation
B.
Bleeding
C.
Ovulation
D.
Menopause
查看完整题目与答案
【判断题】The egg is released by the ovaries into the fallopian tube.
A.
正确
B.
错误
查看完整题目与答案
【单选题】一个班 40同学参加考试后,老师发现大部分同学成绩集中于高分段。下列描述中不可能正确的是( )。
A.
全班 65%的同学考试成绩高于均值
B.
全班 65%的同学考试成绩高于中数
C.
全班 65%的同学考试成绩高于众数
D.
全班同学考试成绩是负偏态分布
查看完整题目与答案
【单选题】___________ is the second phase of the ovarian cycle in which a mature egg is released from the ovarian follicles into the oviduct.
A.
Menstruation
B.
Bleeding
C.
Ovulation
D.
menopause
查看完整题目与答案
【单选题】下列对原文的叙述和分析 , 不正确 的一项是 ( )
A.
. 【甲】 文通过乙钓鱼效率的提高 ， 突出了甲所说道理的正确性 ， 也表明乙极不情愿听取别人意见 ， 对甲的话不闻不问 。
B.
. 【甲】 文写出了做事不能急躁 ， 要淡定从容 ， 专心致志 ， 持之以恒 ， 保有内心的宁静 ，才 能取得好的成绩
C.
. 【乙】 对于羊子拾金 ， 其妻引用古训劝丈夫不要求利污行 ， 阐述了做人要洁身自好的道理 ； 对于羊子辍学 ， 其妻以织布为喻劝丈夫不要中途弃学 ， 阐明了学习要持之以恒的道理 。
D.
. 【甲 】【乙】 两文在写法、构思上都有相同之处 ， 都有情节 ， 有人物 ， 有议论 ， 有描述 ， 以小见大 ， 寓意发人深省 。
查看完整题目与答案
【多选题】How is fertilization carried out?
A.
Of the 300 million human sperm ejaculated during ual intercourse, only about 200 reach the site of fertilization in the oviduct. Sperm are attracted to an ovulated egg by chemical signals released by both the egg and the supporting cells that surround it. Once a sperm finds the egg, it must migrate through a protective layer of cells and then bind to, and tunnel through, the egg coat, called the zona pellucida.
B.
Finally, the sperm must bind to and fuse with the underlying egg plasma membrane. Although fertilization normally occurs by this process of sperm–egg fusion, it can also be achieved artificially by injecting the sperm directly into the egg cytoplasm; this is often done in infertility clinics when there is a problem with natural sperm–egg fusion.
C.
Although many sperm may bind to an egg, only one normally fuses with the egg plasma membrane and introduces its DNA into the egg cytoplasm. The control of this step is especially important because it ensures that the fertilized egg—also called a zygote—will contain two, and only two, sets of chromosomes. Several mechanisms pr multiple sperm from entering an egg. In one mechanism, the first successful sperm triggers the release of a wave of Ca 2+ ions in the egg cytoplasm. This flood of Ca 2+ in turn triggers the secretion of enzymes that cause a “hardening” of the zona pellucida, which prs “runner up” sperm from penetrating the egg. The Ca 2+ wave also helps trigger the development of the egg. To watch a fertilization-induced calcium wave.
D.
The process of fertilization is not complete, however, until the two haploid nuclei (called pronuclei) come together and combine their chromosomes into a single diploid nucleus. Soon after the pronuclei fuse, the diploid cell begins to divide, forming a ball of cells that—through repeated rounds of cell division and differentiation—will give rise to an embryo and, ually, an organism. Fertilization marks the beginning of one of the most remarkable phenomena in all of biology—the process by which a single-celled zygote initiates the developmental program that directs the formation of a new individual.
查看完整题目与答案