【多选题】大面积钢板探伤时,耦合剂应选()为宜;机床床身探伤时,耦合剂应选()为宜;给人体做B超时,耦合剂应选()
【判断题】大面积钢板探伤时,耦合剂应选自来水为宜;机床床身探伤时,耦合剂应选机油为宜;给人体做B超时,耦合剂应选化学浆糊。
【简答题】大面积钢板探伤时,耦合剂应选()为宜;机床床身探伤时,耦合剂应选()为宜;给人体做B超时,耦合剂应选()。
【单选题】I am sorry I can’t spare any paper for you, for, you see, I have _____ myself.
【单选题】I am sorry I can’t stop ______ with you. I have much work to do.
【单选题】I am sorry I can’t spare any paper for you, for, you see, I have _____ myself.
【判断题】如何在援引中反掉对方,一种是把对方手中东西打碎,一种是抢过来为我所用。()
【单选题】--I am sorry I can’t get a ticket to the concert for you. -- .
C.
Thank you all the same
【单选题】—I am sorry I can’t help you. —________, thank you very much.