In the cylinder head of a two-stroke/cycle diesel engine, valves are used for（） ["air intake","a fuel outlet","cooling water inlets","exhausting combustion ga"]
国债认购的交易金额必须为（） ["10的整数倍","50的整数倍","100的整数倍","500的整数倍"]
对水果、蔬菜等运输包装，不能利用损伤度来衡量包装产品的运输安全性。
任何单位和个人有（）情形之一的，移交司法机关进行处理。 ["A.骗领、冒用借记卡","B.伪造、变造借记卡","C.利用借记卡欺诈银行或客户资金","D.捡到他人借记卡交农村信用社"]
A vessel has a strong wind on the port beam. This has the same affect on stability as（）. ["weight that is off-center to starboard","increasing the draft","reducing the freeboard","increasing the trim"]
A+、A、B、C、D、E类供电区域的电网结构应满足哪些基本要求？
