客运专线原地面处理施工质量控制要点是什么?

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问题:

客运专线原地面处理施工质量控制要点是什么?

考点:高铁岗位考试高速铁路知识高速铁路知识题库
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已知等差数列{an}的前n项和为Sn,且a2=-5,S5=-20.

(Ⅰ)求数列{an}的通项公式;

(Ⅱ)求使不等式Sn>an成立的n的最小值.

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从方框中选出适当的句子补全对话,有两项多余。
A: Mom, this is my new friend, Jim.
B: Welcome to our home, Jim. 1. _____
C: Thanks. Wow, your home is very nice!
B: Thank you. 2. _____ Jim, are you and Jeff in the same class?
C: No, but we're in the same grade.
B: 3. _____ 
C: She's a nurse.
B: Oh, I'm a nurse, too. 4. _____
C: She works at the People's Hospital.
B: Me, too. 5. _____
C: Sure. Her name is Tina Green.
B: Oh! It's a small world(世界). Your mother and I are friends like you and Jeff.
A. May I have her name?
B. Come in and please have a seat.
C. What does your mother do?
D. Sit down (请坐), please.
E. How old is she?
F. Where does she work?
G. How is your mother?
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《教师法》从公民地位、思想品德、_____________、教师专业素养等四个方面规定了教师资格,这是国家对教师的最基本的要求

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贝壳、甲壳、化石等类药物入汤剂的用法是()

A.先煎

B.后下

C.布包煎

D.另煎

E.烊化兑服

题型:问答题 简答题

临床使用的抗过敏药主要是()。

A.β受体阻滞剂

B.组胺H2受体阻滞剂

C.组胺H1受体阻滞剂

D.α受体阻滞剂

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