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【单选题】
对左肺的正确描述是A.
分为上、中、下三叶
B.
除有与右肺相应的斜裂外,还有一水平裂
C.
有两支肺叶支气管进入左肺
D.
左肺由水平裂分为上、下两叶
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反馈参考答案：
举一反三
【单选题】听力原文：W: Hello, I'm calling about the apartment you advertised. Could you tell me more about it? M: Well, there are three rooms and a bath. Why is the woman calling?
A.
She needs more information about the apartment.
B.
She wants the man to give her some good advice.
C.
She wants to buy an apartment with three rooms.
D.
She wants to live in the apartment.
【单选题】听力原文：W: Hello, I am a senior student. Could you tell me whether this reference room is only for faculty members? M: No, the postgraduates and undergraduates can come too if they have their professor's...
A.
Yes, she can study there if she is writing a research paper.
B.
Yes, but she needs to have the approval of her professor.
C.
Yes, because she is a senior student
D.
No, it's open only to teachers and postgraduates.
【单选题】切口移位是指在( )作用下,使( )带上放射性标记。
A.
DNA聚合酶Ⅰ,RNA
B.
DNA聚合酶Ⅰ,DNA
C.
DNA聚合酶Ⅲ,RNA
D.
DNA聚合酶Ⅲ,DNA
【单选题】切口移位是指在( )作用下使( )带上放射性标记。
A.
DNA聚合酶IRNA
B.
DNA聚合酶IDNA
C.
DNA聚合酶ⅢRNA
D.
DNA聚合酶ⅢDNA
【单选题】听力原文：M: Hello, I'm a senior student. Could you tell me whether this reference room is only for faculty members? W: No, it's also open to the postgraduates and undergraduates can come too if they've go...
A.
No, it's open only to teachers and postgraduates.
B.
Yes, he can study there if he is writing a research paper.
C.
Yes, because he is a senior student.
D.
Yes, but he needs the approval of his professor.
【单选题】四六和弦是三和弦的第（）转位；（）音在低音位置；三个音的音程关系为（）度+（）度
A.
2；根音；4+3
B.
1；三音；3+4
C.
3；五音；4+3
D.
2；五音；4+3
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