对项目中某一项目工作进行工期估计时，给出了三个估计值，乐观时

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问题单项选择题

对项目中某一项目工作进行工期估计时，给出了三个估计值，乐观时间为8天，最可能时间为10天，悲观时间为15天，则该工作的期望工作为()天。

A、9.5

B、12.5

C、15.75

D、10.5

答案

参考答案：D

阅读理解

读一读，填一填。

Dear Peter,

How are you? I'm going to start a new school. I'm going to study at Qibao Middle School. It is near my

home. I'm going to study History, Science, Geography and other new things. I like Physics and Chemistry,

because I want to be a scientist when I grow up. Are you going to start middle school? What subjects are

you going to study?

Yours,

Li Ming

1. Li Ming is going to____________.

2. He is going to study at ____________.

3. The new school is_____________.

4. He is going to study _______ _______ _______ and other new things.

5. He likes Physics and Chemistry because______________.

单项选择题

下列各项中，应当征收房产税的是（　）。

A．行政机关所属的招待所使用的房产

B．自收自支事业单位向职工出租的单位自有房屋

C．施工期间施工企业在基建工地搭建的临时办公用房

D．邮政部门坐落在城市、县城、建制镇、工矿区以外的房产