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问题 单项选择题

下列不是甲状腺功能减退表现的是

A．血液胆固醇水平增高，且可导致动脉粥样硬化

B．在婴儿时甲状腺功能减退，若不及时补充甲状腺激素可出现呆小症

C．黏液性水肿

D．性功能增强

E．感觉迟钝，行动迟缓，记忆力减退

答案

参考答案：D

阅读理解
阅读理解。
     Here is the bulletin board of Class 3. Some of the students put their notes on it. Please read them and
 answer the following questions.
 
     I want to say thanks to
Miss Li,our dear teacher. We couldn't
  have a wonderful class without you.
                                            Tom		Dear Mr Chen,
     Please accept my best thanks. I have a lot
  of fun  in your P.E. class.
                                                        David
     Many thanks to John for helping me
with  math homework.
                                                       Jane		   I am thankful to Bill for  lending me books.
 I'll
 remember to  bring mine next time.
                                                         Mario
      A thousand thanks to Alex. He always
  helps me clean the windows when I'm
 busy.
                                                       Julia		 I'm  thankful to know that I have so many
 kind  students. I love you all.
                                                    Miss  Li
1. The Chinese meaning of "bulletin board" is _______.
    A. 电影广告    
    B. 寻人启事
    C. 公告栏      
    D. 通缉令
2. According to the notes on the bulletin board, what holiday might be coming?
    A. Christmas        
    B. Halloween
    C. Thanksgiving      
    D. New Year's Day
3. When Julia is busy, what does Alex always help her do?
    A. To do math homework.
    B. To clean the windows.
    C. To have P. E. class together.
    D. To take books to school.
4. From the bulletin board, we know that Mr Chen is a _____.
    A. repeater          
    B. P.E. teacher
    C. doctor            
    D. pilot
5. Why does Bill lend books to Mario?
    A. They are classmates.
    B. Miss Li wants him to do so.
    C. Bill has too many books.
    D. Mario forgot to bring his books to school.
      
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单项选择题

某工程双代号网络计划如下图所示，其关键线路有（）条。

A．1

B．2

C．3

D．4
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