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【单选题】
的《社戏》中有这样的描写:“淡黑的起伏的,仿佛是踊跃的铁的兽脊似的,都远远地向船尾跑去了...”其中“山...向船尾跑去了”所选的参照物是( )
A.
B.
C.
岸边的树
D.
河岸
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参考答案:
举一反三
【单选题】造成镰刀形红细胞贫血的基因突变原因是
A.
DNA 重排
B.
碱基的缺失
C.
碱基的插入
D.
碱基的错配
【简答题】第一代计算机的逻辑元件是电子管。( )
【单选题】选择题。 — _____? — I'm listening to the teacher. [     ]
A.
What are you
B.
How old are you
C.
What are you doing
D.
Where are you going
【单选题】—Could you tell me ? —I’m confident and creative. [     ]
A.
how are you
B.
what you are like
C.
what are you like
D.
how you are
【单选题】May I ask _______? Maybe I can help you find it.
A.
what are you looking for
B.
what are you looking
C.
what you are looking for
D.
what you are looking
【单选题】造成镰刀形红细胞贫血的基因突变原因是()
A.
DNA重排
B.
碱基缺失
C.
碱基插入
D.
碱基错配
E.
嘧啶二聚体形成
【单选题】造成镰刀形红细胞贫血的原因是()
A.
碱基缺失
B.
碱基错配
C.
碱基插入
D.
DNA重排
E.
DNA链间交链
【简答题】a. Fine. Thank you. And you? b. What do you think? c. What will you do? d. What are you doing? e. I know you like playing the violin. f. What about you? g. I know you love football. g. Good idea A: He...
【单选题】造成镰刀形红细胞贫血的基因突变原因是
A.
DNA重排
B.
碱基缺失
C.
碱基插入
D.
碱基错配
【单选题】What are you up to?
A.
What are you doing?
B.
Where are you going?
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