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【单选题】
关于基因工程的叙述，不正确的是（ ）A.
选择一个适合的载体
B.
根据实验目的选择目的基因
C.
把目的基因和载体分别用限制性核酸内切酶切开
D.
连接酶只连接目的基因和载体
E.
把重组体转化到细胞中去的过程不是绝对的
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举一反三
【单选题】The distinction between making art and thinking and writing about it should imply neither a mutual exclusiveness nor a hierarchic differentiation of these processes. Leonardo demonstrated that produci...
A.
reduce the level of control artists have over artistic institutions
B.
increase the usefulness of creating a unifying artistic vocabulary
C.
permit a greater level of development of knowledge concerning both
D.
curtail interactions and establish false boundaries between the two fields
E.
complicate the educational process of artists in an unfortunate manner
【单选题】灯炮上标有220V，40W的字样，其意义是（）。
A.
接在220V以下的电源上，其功率是40W
B.
接在40V电源上，其功率是220W
C.
接在220V以上的电源上，其功率是40W
D.
接在220V电源上，其功率是40W
【单选题】The famous artist is thinking of ______his paintings in the art gallery.
A.
displaying
B.
demonstrating
C.
exhibiting
D.
exemplifying
【单选题】下列对消化道平滑肌电生理特性的描述,错误的是( )
A.
静息电位主要由K+外流形成
B.
静息电位的形成还与Cl-内流与钠泵活动有关
C.
动作电位的形成主要由Na+内流形成
D.
慢波电位决定着消化道平滑肌的收缩节律
E.
慢波电位是消化道平滑肌的起步电位
【多选题】下列各项中,关于费用的说法不正确的有( )
A.
费用会导致资产的增加或负债的减少
B.
企业报废固定资产的净损失应确认为企业的费用
C.
费用最终会导致所有者权益的减少
D.
企业向投资者分配利润发生的现金流出应确认为企业的费用
【单选题】The complete system of philosophy that Chinese folk paper cutting embodies was based on _____.
A.
Confucianism
B.
Taoism
C.
the original Chinese philosophy
D.
Buddhism
【单选题】The famous artist is thinking of ______his paintings in the art gallery.
A.
displaying
B.
demonstrating
C.
exhibiting
D.
exemplifying
【单选题】Which of the following kings was responsible for the complete establishment of the feudal system in England?
A.
Edward I
B.
Henry II
C.
Alfred the Great
D.
William the Conqueror
【简答题】The complete system of philosophy that Chinese folk paper cutting embodies was based on _____.
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