皮皮学，免费搜题
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【单选题】
“衔宝朝日,流苏带晚霞。”唐朝国力强盛,经济繁荣,文化灿烂,达到了中国封建社会发展史上的最高峰。( )成为的转折点。A.
玄武门之变
B.
安史之乱
C.
公主进藏
D.
称帝
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皮皮学刷刷变学霸
举一反三
【简答题】,惟有泪千行
【多选题】Which of the following statements about the definition of 'gene therapy' by Farlex Partner Medical Dictionary are correct?
A.
Gene therapy is alteration of somatic or germ-line DNA to correct or prevent disease; the process of inserting a gene artificially into the genome of organism to genetic defect or to add a new biologic property or function with therapeutic potential.
B.
In somatic gene therapy, functional DNA sequences are inserted into cells that lack a specific gene or bear a faulty version of it. Vectors include replication-defective viruses, liposomes, and plasmids.
C.
For transfer of genetic material by viral infection (called transduction), retroviruses are particularly suitable as vectors because their RNA, converted to DNA by reverse transcriptase, becomes part of the genome of the infected cell. Adenovirus and herpesvirus are also used.
D.
Progress has been made in treating several inherited disorders, including severe combined immunodeficiency, cystic fibrosis, and hemophilia
【单选题】对贾宝玉“摔玉”这一举动的思想意义,分析最准确的一项是( )
A.
体现了贾宝玉对封建宗法制度和封建迷信的反叛精神。
B.
体现了贾宝玉对“男尊女卑”的封建世俗观念的挑战。
C.
体现了贾宝玉反叛封建社会、渴望男女平等和个性解放的性格
D.
体现了贾宝玉对封建礼教的叛逆性格和对林黛玉的爱慕之情。
【单选题】关于契税的说法，错误的是（ ）
A.
契税是以在境内转移土地、房屋权属为征税对象，向销售方征收的一种财产税
B.
土地使用权出售、房屋买卖的计税根据为成交价格
C.
城镇职工按规定第一次购买公有住房的，免征契税
D.
国家机关承受土地，房屋用于办公的，免收契税
【简答题】“相顾无言，惟有泪千行”出自（）。
【简答题】The definition of a Nutrient (as defined by the Farlex Partner Medical Dictionary) is : a of food necessary for normal physiological function.
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