田径长距离赛跑总是逆时针方向、向左侧转弯绕圈，主要科学依据是

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问题单项选择题

田径长距离赛跑总是逆时针方向、向左侧转弯绕圈，主要科学依据是（）.

A、保护偏左的心脏

B、左脚比右脚有力

C、裁判员的视觉习惯

D、大多数跑步人的习惯

答案

参考答案：B

阅读理解

阅读理解。

The children often play football in the garden and sometimes break Mrs Smith's windows. One

afternoon Mrs Smith is at home and reads a book. In a minute she closes her eyes and goes to sleep. At

that time a little boy knocks (敲) at the door. Mrs Smith opens the door and asks, "Do you break my

window again?"

"Oh, no," says the boy, "your window is open this time and my football is in your room. Can I get it

back, please?"

1. The children often go to the garden _____.

A. to play

B. to fly kites

C. to play football

D. to play basketball

2. The children playing football often break Mrs Smith's_____.

A. doors

B. windows

C. books

D. gardens

3. One afternoon Mrs Smith _____ at home.

A. is writing something

B. is cleaning windows

C. is watching TV

D. is reading

4. A little boy _____ Mrs Smith's door.

A. opens

B. closes

C. knocks at

D. breaks

5. The children's football is _____.

A. in Mrs Smith's room

B. in the garden

C. on the window

D. Mrs Smith's

单项选择题

根据《招标投标法》的规定，以下属于必须进行招标的施工项目是( )。

A．采用特定的专利或者专有技术的项目
B．属于利用扶贫资金实行以工代赈需要使用农民工的项目
C．施工单项合同估算在200万元人民币以上的项目
D．建筑艺术造型有特殊要求的项目