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问题 多项选择题

根据《广州市建设工程招标投标管理办法》，建设工程施工招标采用（）评标方法进行评标。

A.平均值法

B.经评审的最低投标价法

C.综合评估法

D.商务综合诚信法

E.信价比法

答案

参考答案：A, B, C, D, E

阅读理解

阅读理解。

The Opening Time of E-Library of Fangzhou Middle School

根据图示所提供的信息选择最佳答案。

1. The E -library of Fangzhou Middle School is open for _____ days a week.

A. three              

B .four                

C. five

2. All the students can read E - books in the E - library every day except on _____ and _____.

A. Monday; Thursday  

B. Monday; Friday        

C. Tuesday; Wednesday

3. _____ can be seen in the E -library at 11:15 on Wednesdays.

A. All the students            

B. Students in Grade Three  

C. Students in Grade Four

4. Which of the following is NOT true according to the chart above?

A. The E -library of Fangzhou Middle School is closed at 10:00 on Saturday and Sunday mornings.

B. The chart above is about the opening hours of E -library of Fangzhou Music School.

C. The E -library is open for the teachers only every Thrusday afternoon.

5. Students in Grade1-3 can spend _____ more hour( s)  reading in the E -library than the students 

    in Grade 4 on weekdays.

A. 1                  

B. 2                    

C. 3
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单项选择题

某蛋白分子具有以下特点：①为三聚体(α、β、γ)；②有激活型和抑制型两种；③α-GTP为其活化形式；④具有潜在的GTP酶活性。该蛋白最有可能

A．属于CaM
B．属于胰岛素受体
C．属于PKA
D．活化后调节AC活性
E．活化后调节PKC活性
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