【名词&注释】
线粒体(mitochondria)、动物细胞(animal cell)、高尔基体(golgi apparatus)、溶酶体(lysosome)、细胞壁(cell wall)、细胞分裂(cell division)、真核细胞(eukaryotic cells)、细胞器(organelle)、可消化(digestible)、克利斯提尼(cleisthenes)
[单选题]无次生生长的植物没有周皮。( )
A. 正确
B. 错误
查看答案&解析
举一反三：
[单选题]Why did David decide to leave school and start working?
A. He received lots of job offers.B． He was eager to help his mother.
B. He lost interest in school studies. D． He wanted to earn his own living.
[单选题]下列过程中，涉及肽键数量变化的是
A. 洋葱根尖细胞染色体的复制
B. 用纤维素酶处理植物细胞
C. 小肠上皮细胞吸收氨基酸
D. 蛋清中加入NaCl使蛋白质析出
[单选题]下列关于真核细胞(eukaryotic cells)结构和功能叙述中，错误的是
A. 抑制线粒体的功能会影响主动运输
B. 核糖体由RNA和蛋白质构成
C. 有分泌功能的细胞才有高尔基体
D. 溶酶体可消化(digestible)细胞器(organelle)碎片
[单选题]Daniel's family their holiday in Huangshan this time next week.
A. areenjoyingB． aretoenjoy
B. willenjoy
C. willbeenjoying
[单选题]希脯历史学家希罗多德说，克利斯提尼(cleisthenes)“领着人民参与政治”。 克利斯提尼(cleisthenes)改革中符合这一评述的是①按财产多寡划分社会等级
A. ②用10个地域部落取代原来4个血缘部落
B. ③设立五百人会议
C. ④向公民发放“喜剧津贴”
D. ①②
E. ②③
F. ③④
G. ①④
[单选题]
A. trouble
B. gift
C. fact
D. trick Ks5u
[单选题]The palace caught fires three times in the last century,and little of the original building_______ now.
A. remains
B. is remained
C. is remaining
D. has been remained
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