【单选题】He is looking for another job because he feels that nothing he does _______ his boss.
【单选题】Allen talks a lot but he does ______.
【单选题】He found nothing in the room, ______? [ ]
【单选题】取得《中华人民共和国注册测绘师资格证书》的人员,经过()后方可以注册测绘师的名义执业。
【单选题】Nick is looking for another job because he feels that nothing he does ________ his boss.
【单选题】He is looking for another job because he feels that nothing he does ______ his boss. [ ]
【单选题】经注册测绘师考试取得证书者,只能受聘于一个具有测绘资质的单位,经过( )后,才可以以注册测绘师的名义执业。
【简答题】为什么蒸气中含有不凝结气体会影响凝结换热的强度?