问题
单项选择题
锚杆的设置方向与可锚固土层的位置、挡土结构的位置以及施工条件等有关，一般采用水平向下（）之间的数值。
A.10°～45°
B.20°～45°
C.10°～25°
D.10°～35°
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
锚杆的设置方向与可锚固土层的位置、挡土结构的位置以及施工条件等有关，一般采用水平向下（）之间的数值。
A.10°～45°
B.20°～45°
C.10°～25°
D.10°～35°
参考答案：A
| 完形填空。 | ||||
| Bill Gates 1 on October 28th, 1955. He 2 in Seattle, Washington. His favorite subjects at school were science and math. 3 he was 13 years old, Bill started to play with computers. Computers at that time 4 very large, but he was interested 5 them. He 6 lots of time doing unusual things with computers. In the end, he and some of his friends worked out a software program (软件程序) with an old computer. He 7 it for ＄4,200 dollars. In 1973, Bill 8 Harvard University (哈佛大学). He left there in the third year to work for a company called Microsoft. In 1975 Bill began his company 9 his friend Paul Allen. They developed software for personal computers. They improved (改进) the software to make it 10 for people to use computers. | ||||
|