题型：判断题 情景填词。 Tim在问Jane，而后得知：在那边的课桌上的书分别是Lily 和Lucy 两个人的，然后Tim 告诉Jane 那个骑自行车的男孩是Tom。Tim: Whose _ 1__ those books _ 2__ there?Jane: _ 3 _ book?Tim :The 4__ on the desk.Jane: They are _ 5__ and _6__ . Who is that boy ?Tim: Which boy ?Jane: The _ 7__ _8__ the bike, _ 9_ the green coat.Tim: Oh, 10_ Tom.( ) 1. A. are ( ) 2. A. over ( ) 3. A. which ( ) 4. A. book ( ) 5. A. Lucy ( ) 6. A. Lily's( ) 7. A. one ( ) 8. A. in ( ) 9. A. wear ( ) 10. A. This B. is B. at B. where B. thing B. Lucy's B. Lily B. boys B. at B. in B. It's C. the C. in C. what C. books C. her C. their C. girl C. on C. on C. His D. that D. on D. whose D. pens D. books D. theirs D. man D. behind D. with D. That's 查看答案
题型：判断题 为了保证锅炉水位正常，在低负荷运行时，水位应( )正常水位，以防负荷增加时水位降得过低；锅炉在高负荷运行时，水位应( )正常水位，以防负荷降低时水位升得过高。A．高于；低于B．高于；高于C．低于；高于D．低于；低于 查看答案