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【单选题】
实验证明下列具有细胞全能性的是 ( )
A.
早期胚细胞
B.
仍在植物体上的已经分化的细胞
C.
动物细胞
D.
动物体细胞的核和离体植物细胞
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参考答案:
举一反三
【单选题】Which of the following previews the main points in the speech?
A.
Her name was Kiyomi. She was a mysterious Japanese dancer. … Being Kiyomi was one of the most memorable experiences of my life.
B.
I’m honored to come before you today to introduce one of the most important people in my life.
C.
Today I’ll talk with you about the causes of campus violence, the physical and psychological stresses it inflicts on the students and how we can tackle this problem.
D.
I feel very nervous today to speak in front of you because it is my first time to make a presentation like this.
【多选题】关于醑剂与芳香水剂的叙述正确的是
A.
醑剂只适用于挥发性药物的制备
B.
挥发油的近饱和澄明水溶液是芳香水剂
C.
芳香水剂与醑剂都是真溶液
D.
醑剂与芳香水剂的区别是溶媒不同
【简答题】高维微积分基本定理 研究方法与前沿-科学计算-课堂练习1.pdf
【简答题】请 熟读至背诵 以下演讲稿实用词块和句型。 开头部分 Ladies and gentleman, I’m .... I’m greatly honored to speak here on behalf of my school. I’m going to talk about... 女士们,先生们,我是。。。我很荣幸地站在这儿代表我们学校发言。我将讨论。。。 It’s a great honor...
【单选题】Good evening, ladies and gentlemen. I’m______ to be here tonight and welcome our distinguished guests.
A.
gladed
B.
honored
C.
please
D.
exciting
【多选题】如今,能为他的这本散文集子作序,我觉得很荣幸。It can be translated into
A.
I feel honored to preface to the collection of his essays
B.
I found it a great honor to be asked to write a preface to t he collection of his essays.
C.
I’m writing the preface to the collection of his essays with great honor.
【简答题】抄写 演讲稿 作文中的重要词块和句型。 开头部分 Ladies and gentleman, I’m .... I’m greatly honored to speak here on behalf of my school. I’m going to talk about... 女士们,先生们,我是。。。我很荣幸地站在这儿代表我们学校发言。我将讨论。。。 It’s a great honor f...
【简答题】BEIJING, May 29 — the US pop star Michael Jackson appeared in public in Tokyo on Saturday, accepting a music award and thanking “all the people who believe in me ”. Introduced to an adoring(崇拜的)crowd ...
【判断题】浮点数的有效位数为15位,从最左边第一个不为0的数字开始,直到末尾数字的个数,且不包括小数点。()
A.
正确
B.
错误
【单选题】下面是设定外部中断1为下降沿触发的语句的是?
A.
IT0=1;
B.
IT1=1;
C.
IT0=0;
D.
IT1=0;
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