主页
学科
搜索
账户
常见问题
当前学科:土木工程
题目:
未知类型
计算屋面雪压时,可以直接取用地面雪压,因为二者相等。()
A.正确
B.错误
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:
我国东部沿海气候上属于()。
巴西最大的商业广播电视集团是()
美国公民A发明了一种汽车的外观设计,于2002年6月向美国专利机关申请专利,2002年11月向法国专利机关申请专利,2003年4月向中国专利机关申请专利。法国公民B也发明了同样的汽车外观设计,于2002年8月向法国专利机关申请同样的专利。中国企业C也发明了同样的汽车外观设计,于2003年2月向中国专利机关申请同样的专利。 根据上述资料,回答以下问题:
Commuting to work in Chicago is no【C1】______, for the roads there are even more crowded than in San Francisco. But here is how the city of Chicago is handling the problem. "We dont have rash hours any more," said Charles M. Mclean, who runs the nations busiest road. "We have rash periods, and they keep【C2】______longer and longer. " In Chicago, a【C3】______system has been developed that controls【C4】______the citys seven expressways. Now, one mana controller can【C5】______the movement of Chicagos traffic【C6】______looking at a set of lights. The system uses electronic sensors that are built into each expressway, half a mile【C7】______. Several times a second, the computer【C8】______information from each sensor and translates it into green, yellow or red lights on a map in the control room. "See that red light near Austin Avenue?" the controller asked a visitor, "Thats a repair truck【C9】______the road, and the traffic has to go【C10】______it. " At the Roosevelt Road entrance【C11】______the expressway, the light kept【C12】______from green to red and back to green again. "A lot of trucks get on the expressway there. " the controller explained. "They cant speed up as【C13】______as cars. " The sensors show【C14】______where an accident or a stopped car is blocking traffic,【C15】______a truck is sent by radio to clear the road. The system has lowered the【C16】______of accidents by 18 percent. There are now 1. 4 deaths on Chicagos expressways for each one hundred million miles traveled,【C17】______in other parts of the country there are 2. 6. Traffic experts say that the Chicago system is the "coming thing". Systems like Chicagos are already in use on some expressways in Los Angeles and Houston. "Chicago has【C18】______the lead," says New York Citys【C19】______director; and he adds, "we are【C20】______".【C1】A.cheerfulB.pleasantC.happyD.pleasure
SF6配电装置室及下方电缆层隧道的门上,应设置()的标志。
病历摘要:患者,男性,40岁,因“口渴、多饮1月”来诊。1月前患者无明显诱因出现口渴,多饮,无多食易饥,体重下降。在外院检查示空腹血糖9.8mmol/L。如果给患者予磺脲类药物治疗,患者完全遵照医嘱治疗,2年来血糖一直控制良好,但随后血糖逐渐升高,这种现象称为什么?()
备煤车间的任务是完成来煤的()任务.
绵土
在下列财务分析主体中,需要对企业短期偿债能力、长期偿债能力、营运能力和盈利能力等全部内容进行财务分析的是()。
心绞痛和晕厥常见于()