主页
学科
搜索
账户
常见问题
当前学科:质量员综合练习
题目:
单选
砂和砂石地基垫层应分层铺设,分层夯实或压实。在基坑内,应设置5m×5m的网格标桩,控制每层垫层的虚铺厚度。当采用插振法、平振法、夯实法或水撼法时,每层虚铺厚度不得超过()
A . 150mm
B . 250mm
C . 350mm
D . 450mm
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
Most people have no idea of the hard work and worry that gointothe collecting of those fascinating birds and animals that they pay to see in the zoo.One of the questions that is always asked of me is 1 I became an animal collector in the first 2.The answer is that I have always been interested in animals and zoos.According to my parents, the first word I was able to say with any 3 was not the conventional “mamma” or “daddy”,4 the word “zoo”, which I would 5 over and over again with a shrill 6 until someone, ingroupsto 7 me up, would take me to the zoo.When I 8 a little older, we lived in Greece and I had a great 9 of pets, ranging from owls to seahorses, and I spent all my spare time 10 the countryside in search of fresh specimens to 11 to my collection of pets.12 on I went for a year to the City Zoo, as a student 13 , to get experience of the large animals, such as lions, bears, bison and ostriches,14 were not easy to keep at home.When I left, I 15 had enough money of my own to be able to 16 my first trip and I have been going 17 ever since then.Though a collector's job is not an easy one and is full of 18 ,it is certainly a job which will appeal 19 all those who love animals and 20. 请在1处填上正确答案() 请在2处填上正确答案() 请在3处填上正确答案() 请在4处填上正确答案() 请在5处填上正确答案() 请在6处填上正确答案() 请在7处填上正确答案() 请在8处填上正确答案() 请在9处填上正确答案() 请在10处填上正确答案() 请在11处填上正确答案() 请在12处填上正确答案() 请在13处填上正确答案() 请在14处填上正确答案() 请在15处填上正确答案() 请在16处填上正确答案() 请在17处填上正确答案() 请在18处填上正确答案() 请在19处填上正确答案() 请在20处填上正确答案()
体格检查时,婴幼儿皮肤的异常状况包括()
SB/T10648-2012冷藏调制食品按产品成熟度一般分为()和熟制品,按生产工艺常可分为面米制品、裹面制品、蛋酱制品、菜肴制品、()、汤羹制品。
临终关怀的伦理意义表现在()
以下表现形式属于非语言行为的无声静姿的是()
用作粪便污染监测指标的细菌是()
抢救食物中毒最常用的措施为()、()、()。
系统分析阶段的主要活动有:系统规划和可行性研究、新系统逻辑模型的建立和()。
以CIF条件成交的合同,当货物海洋在运输途中受损后,卖方仍有权凭符合合同规定的全套单据向买方索取货款。()
()集预警、指挥和控制以及通信于一体,能起到活动雷达站和空中指挥中心的作用。