主页
学科
搜索
账户
常见问题
当前学科：第六章运输安全控制技术
题目：
单选
路侧护栏的设计条件中考虑的碰撞速度为＿km/h。
A . 50
B . 60
C . 70
D . 80
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:
法律制度和（）制度是影响地区投资软环境的重要因素。
民政优抚工作是指（）、（）、（）的统称。
哪项费用不属于维持库存费?()
金属棚支护的交岔点抬棚必须成对使用。
Sixteen-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very happy she could go abroad, she was feeling sad at leaving her family and friends. As she was thinking all about this, she suddenly heard the airline employee asking her to pick up her luggage and put it on the scales(称). Maria pulled and pulled. The bag was too heavy and she just couldn't lift it up. The man behind her got very impatient. He, too, was waiting to check in his luggage.
下列叙述中，正确的一条是（）。
56岁患者，绝经5年，近1月阴道不规则流血伴臭味。妇科检查：宫颈光滑，子宫如孕40天大，质软，有压痛，双附件无异常。分泌物血性有臭味。入院后首选应采取的措施是()
情绪的形态中，（）是指有的人认为，事情的发生，总有其一定的原因。因此遇事会替对方找借口，认为做错事的人都有不得已的苦衷。
相机决策的财政政策是指根据经济情况来决定财政政策方向。
从一个地区来看，下列哪些情况会导致该地区的就业增长（）。