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【单选题】
组成DNA的基本单位是 [     ]
A.
核苷酸
B.
脱氧核苷酸
C.
核糖核苷酸
D.
核酸
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【单选题】Why do you think the captain leaves the room and follows Maria, calling her name to stop her?
A.
Because he is angry that she brings music back to his family and wants to find more fault with Maria.
B.
Because he is so pleased with the performance of her children and wants to thank her and say sorry to her.
C.
Because he wants to tell Maria about his plan with the baroness and asks her to leave.
【简答题】Her name is Maria, and she comes from _______________.
【简答题】结构或者构件抵抗变形的能力称为( )
【单选题】无菌性骨坏死最常见的部位是()
A.
肱骨头
B.
髌骨
C.
膝部股骨外侧髁
D.
桡骨小头
E.
股骨头
【单选题】The U.S. Congress Composition of the U.S. Congress The U.S. Congress is the legislative branch of the Federal Government. It is a bicameral (两院制的 ) law-making body of more than 500 members. Its two ch...
A.
Y
B.
N
C.
NG
【简答题】结构或构件抵抗破坏的能力通常称为 ;抵抗变形的能力称为 ;保持其原有平衡形式的能力称为 。
【单选题】--What's ______ name? --Maria. [     ]
A.
she
B.
she's
C.
her
D.
you
【判断题】筛选数据是指根据用户设定的条件,在工作表中筛选出符合条件的数据。
A.
正确
B.
错误
【简答题】在使用期内,务必使结构和构件不发生影响正常使用的变形。我们把结构或构件抵抗变形的能力称为 。
【单选题】U.S. President urged the U.S. Congress to play a key role in the fight against ______ in Africa.
A.
starvation
B.
AIDS
C.
discrimination
D.
unemployment
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