“这个要水洗吗？”的英文译法是“（）”。 ["A、Is this for washing？","B、This is for washing?","C、Is this for clean?","D、This is for clean?"]
CO2气体保护焊的电弧静特性曲线是（）的。 ["上升","缓降","平硬","陡降"]
“我现在可以打扫您的房间吗？的英文译法是“（）”。 ["A、May I clean up your room right now?","B、May I know your room?","C、May I come in your room?","D、May I clean up?"]
用英文表达“帮助别人的意思”（）。 ["A、May I help you？","B、Where are you？","C、Can you help me？","D、以上都对"]
六礼
行歌坐月
