问题
单项选择题
以下不符合地面砂浆锚杆的施工要求的是()。
A、锚杆宜垂直地表设置,根据地形及岩层层面具体情况也可倾斜设置
B、锚杆长度可根据隧道覆盖层厚度的实际施工能力确定
C、注浆范围根据地层岩石的破碎程度和地表水文地质情况确定
答案
参考答案:B
以下不符合地面砂浆锚杆的施工要求的是()。
A、锚杆宜垂直地表设置,根据地形及岩层层面具体情况也可倾斜设置
B、锚杆长度可根据隧道覆盖层厚度的实际施工能力确定
C、注浆范围根据地层岩石的破碎程度和地表水文地质情况确定
参考答案:B
选择适当的词语替换句子中的划线部分。 |
1. Tom walks to school every day. |
[ ] |
A. on foot B. goes to C. goes to … on foot |
2. There are over 50 students in our class. |
[ ] |
A. about B. more than C. around |
3. We had a good time in the park yesterday. |
[ ] |
A. enjoyed myself B. have fun C. enjoyed ourselves. |
4. The summer holiday goes on from July to September. |
[ ] |
A. starts B. takes C. lasts |
5. I got a letter from my friend last week. |
[ ] |
A. received from B. heard from C. heard a letter from |