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【单选题】
在幼儿园,小朋友遵守纪律时老师们便奖励他们一朵小红花。之后,这些小朋友越来越遵守纪律。根据行为主义的理论,上述行为发生变化是( )的结果。
A.
 刺激 - 反应
B.
 认知 - 行为
C.
 符号 - 互动
D.
 环境 - 行为
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【单选题】mitochondria
A.
线粒体
B.
叶绿体
【多选题】The chloroplasts of modern organisms resemble mitochondria in several properties, and probably originated by the same mechanism that gave rise to mitochondria: endosymbiosis.
A.
Like mitochondria, chloroplasts contain their own DNA and protein-synthesizing machinery.
B.
Some of the polypeptides of chloroplast proteins are encoded by chloroplast genes and synthesized in the chloroplast; others are encoded by nuclear genes, synthesized outside the chloroplast, and imported.
C.
When plant cells grow and divide, chloroplasts give rise to new chloroplasts by division, during which their DNA is replicated and divided between daughter chloroplasts.
D.
The machinery and mechanisms for light capture, electron flow, and ATP synthesis in modern cyanobacteria are similar in many respects to those in plant chloroplasts.
【单选题】胃肠内表面的上皮属于哪种上皮组织?
A.
单层扁平上皮
B.
单层立方上皮
C.
单层柱状上皮
D.
假复层柱状纤毛上皮
【判断题】3D变换的舞台,通常是进行3D变换元素的父容器。
A.
正确
B.
错误
【简答题】自动控制系统由哪些环节组成
【单选题】如果事务所连续两年从属于公众利益实体的某一审计客户及其关联实体所收取的全部费用占其从所有客户收取全部费用的比重超过(),除非该事务所向审计客户治理层披露这一事实,并与之讨论采取下列任一防范措施以将不利影响降至可接受水平,否则,所产生的自身利益不利影响将非常重大。
A.
10%
B.
15%
C.
50%
D.
60%
【多选题】如果会计师事务所连续两年从某一属于公众利益实体的被审计单位及其关联实体收取的全部费用,占其从所有客户收取的全部费用的比重超过15%,会计师事务所应当向被审计单位治理层披露这一事实,并讨论选择防范措施,以将不利影响降低至可接受的水平,下列措施中恰当的有()。
A.
发表审计意见前复核
B.
发表审计意见后复核
C.
解除业务约定
D.
降低收费
【单选题】如果事务所连续两年从属于公众利益实体的某一审计客户反其关联实体所收取的全部费用占其从所有客户收取全部费用的比重超过( ),除非该事务所向审计客户治理层披露这一事实,并与之讨论采取下列任一防范措施以将不利影响降至可接受水平,否则,所产生的自身利益不利影响将非常重大。
A.
10%
B.
15%
C.
50%
D.
60%
【单选题】在 HTML 文档中要插入一个项目列表,使用的一对标签是( )。
A.
〈 UL 〉〈 /UL 〉
B.
〈 OL 〉〈 /OL 〉
C.
〈 LI 〉〈 /LI 〉
D.
〈 P 〉〈 /P 〉
【多选题】What is the evidence of the bacterial ancestry of chloroplasts and mitochondria ?
A.
The organelles that produce ATP in eukaryotic cells—the chloroplasts and mitochondria— evolved from bacteria that were engulfed by ancestral cells more than a billion years ago.
B.
Both chloroplasts and mitochondria reproduce in a manner similar to that of most prokaryotes.
C.
The organelles also harbor bacterial-like biosynthetic machinery for making RNA and proteins, and they possess DNA-based genomes.
D.
Many chloroplast genes are strikingly similar to those of cyanobacteria—the photosynthetic bacteria from which these organelles were derived.
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