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问题 多项选择题

桥梁图按其用途可分为（）、大样图等

A、桥位平面图

B、桥位地质断面图

C、桥梁总体布臵图

D、构件结构图

答案

参考答案：A, B, C, D

阅读理解
阅读下面短文，然后从其后各题所给的四个选项中选择最佳选项。
         Buy a pedometer (计步器) and you'll walk far. The following table shows how many steps different
people should walk every day.
How many steps a day
For what kind of people
Fewer than 5,000 steps
Low active（活跃的）
Between 5,000 and 7,499 steps
Nearly active
Between 7,500 and 9,999 steps
A little active
10,000 or more steps
Active
More than 12,500 steps
Highly active
1. What does the passage mainly tell us?                   
[ ]
A. Why to have exercise.
B. Where to go for a walk.
C. How a pedometer works.
D. How many steps we should walk.
2. If you walk 9,600 steps every day, you are _______.
[ ]
A. low active
B. nearly active
C. a little active
D. highly active
3. To be active, you have to walk __________ steps every day.
[ ]
A. 3,000-4,999
B. 5,000-7,499
C. 7,500-9,999
D. 10,000-12,499
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单项选择题

假定有如下事件过程：
Private Sub Form Click()
Dim x As Integer, n As Integer
x=1
n=0
Do While x＜28
x=x*3
n=n+1
Loop
Print x, n
End Sub
程序运行后，单击窗体，输出结果是______。

A．81 4

B．56 3

C．28 1

D．243 5
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