皮皮学,免费搜题
登录
搜题
【单选题】
用盐酸标准滴定溶液滴定Na2CO3至有CO2生成时,用的指示剂为()。
A.
酚酞
B.
中性红
C.
甲基红
D.
甲基橙
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】A.s B.specialists C.peers D.pedestrians
【单选题】【C2】
A.
car
B.
truck
C.
traffic
D.
pedestrians
【简答题】No Pedestrians
【简答题】Watch for Pedestrians
【简答题】Aggressive pedestrians are in fact as erous as careless drivers. They cause traffic accidents, injury and death. These erous walkers can be seen in any big city over the world. About 69% of la...
【简答题】在使用橡皮擦工具操作时,如果需要将被擦除的区域恢复至原始状态,可以按住
【单选题】D Cities alarmed by deaths and injuries of pedestrians are taking efforts to make crosswalks safer for people on foot, especially seniors and children who need more time to cross streets. A pedestrian...
A.
Among 100 pedestrian deaths there were 21 people younger than 70.
B.
Old people are more likely to meet with accidents in crosswalks.
C.
Traffic accidents killed more old people than young people.
D.
About seven traffic accidents happened per hour.
【单选题】The first underground floor is set aside mainly for pedestrians and commercial facilities, while the second underground floor is planned for parking. {A; B; C}
A.
地下一层主要用于人行通道和商业设施,而地下二层计划用作停车场。
B.
地下一层仅用于人行通道和商业设施,而地下二层计划用作停车场。
C.
地下一层主要用作停车场,而地下二层用作行人通行和商业设施。
【简答题】Aggressive pedestrians are in fact as erous as careless drivers. They cause traffic accidents, injury and death. These erous walkers can be seen in any big city all over the world. About 69% o...
【单选题】目前岸边集装箱起重机广泛采用的小车运行机构结构型式是?
A.
起重自行式小车
B.
全绳索牵引式小车
C.
半绳索牵引式小车
D.
导杆牵引式小车
相关题目: