皮皮学，免费搜题
登录
搜题
【单选题】
在同温同压下,1 mol氩气和1 mol氟气具有相同的1质子数 2质量 3原子数 4体积A.
①和②
B.
②和④
C.
①和④
D.
②和③
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
【单选题】According to the conversation, what service can you use when you send an article of special value?
A.
The ordinary letter and parcel service.
B.
Registered Letter Post.
C.
Recorded Delivery Service.
D.
Compensation Fee Parcel Service.
【简答题】16版新定额规定,墙体拉结S勾,设计有规定的按规定,设计无规定时长度按照墙厚另加150mm计算,每平方米()个,计入钢筋总量
【单选题】A vessel to which Annex V to MARPOL 73/78 applies is located in a MARPOL designated special area，14 nautical miles from nearest land.What type of garbage is permitted to be discharged?
A.
Paper products
B.
Glass ground to less than 1
C.
Metal ground to less than 1
D.
Food waste
相关题目：