【简答题】什么是变质岩?其主要特征有哪些?建筑中常用的变质岩有哪些?
【单选题】_____ to do the work, I should do it some other day.
【单选题】If I ___ you, I ___ be afraid .
【判断题】焊缝离开焊件中性轴的距离越大,焊后的弯曲变形就越大。
【单选题】I'm not tired. If I were tired, I ______ a rest. [ ]
【单选题】保证菜肴的脆嫩和入味是( )的其中一个作用。
【单选题】(I were ) you, I’ll go there. A、 B、 C、 D、
【单选题】______ to do the work, I should do it in a different way. A. If I was B. I were C. Was I D. Were I
【单选题】If I _____ free, I _____ go swimming. [ ]
【单选题】— Where ____________ you last Sunday? — I ____________ in New York. [ ]