问题
单项选择题
对于大体积混凝土的桩，桩顶10m内的混凝土应适当调整配合比，增大碎石含量，减少桩顶浮浆。在灌注最后阶段，孔内混凝上面测定应采用( )取样法测定。
A．软杆筒式
B．硬杆筒式
C．软杆箱式
D．硬杆箱式
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
对于大体积混凝土的桩，桩顶10m内的混凝土应适当调整配合比，增大碎石含量，减少桩顶浮浆。在灌注最后阶段，孔内混凝上面测定应采用( )取样法测定。
A．软杆筒式
B．硬杆筒式
C．软杆箱式
D．硬杆箱式
参考答案：B
| 阅读短文，根据短文内容，选择最佳答案。 |
| My name is Chen Lan. My home is in Gulangyu. Do you know Gulangyu? It is in Xiamen. It is near the sea. Gulangyu is a small place, but it is very nice and clean. There are no cars, no buses, and no bikes. People only walk. So it isn't very noisy. Our house is in the middle of Gulangyu. Behind our house there is a big old tree. My grandfather tells me that the tree is very, very old. There are many birds in the tree. We call it "bird tree". Our house is near the sea. The sea is big and blue. There are a lot of fish in the sea. After school, I go there and catch (捉) fish with my friends. It's very interesting. I like fish and I like catching fish. If (如果) you want to go on a trip. Welcome to Gulangyu. I am going to show you around it. You can have fun here. |
| 1. Chen Lan is from ______. |
[ ] |
| A. Jiangsu B. Fujian C. Hunan D. Beijing |
| 2. What's not in this passage? |
[ ] |
| A. Her house. B. Her friends. C. Her parents. D. Her grandfather |
| 3. In Chinese the word "noisy" means ______. |
[ ] |
| A. 安静的 B. 喧闹的 C. 繁忙的 D. 有意思的 |
| 4. What does the writer like to do? |
[ ] |
| A. catch fish B. catch birds C. go on a trip D. swim in the sea |
| 5. — Is Gulangyu a good place to travel? — ______. |
[ ] |
| A. Yes, it is. B. No, it isn't C. The writer doesn't tell. D.I don't know. |