【单选题】My mobile phone has broken. I must _______.
C.
get down to repairing it
D.
have it to be repaired
【简答题】一作定轴转动的物体,其对转轴的转动惯量 ,角速度为8rad/s。现对物体加一转轴方向的恒定的制动力矩,其大小为 ,当物体的角速度减慢到零时,物体共转过的周数N=____ ____。
【单选题】My bike needs _____. I think I need _____ to ask Uncle Wang for help. [ ]
【判断题】9 如果美国让美元贬值 10% ,那么中国就将损失 500 亿美元。
【简答题】操作题: 每3-5人/组,择其一做酸奶、泡菜、甜酒、面包等,第7-8周实物展示汇报,记录制作过程及原理(视频或PPT)。
【单选题】Something is wrong with my TV set. I would like to get it _____. [ ]
【简答题】IELTS 8 Test 2 Section 1 精听2 • I need to take down a few (1) ____of the actual (2) ____over the phone before you put in a full (3) ____. Can you tell me how many (4) ____were damaged and what the dama...
【单选题】There seems something wrong with my bike.I would like to get it________. [ ]
【单选题】I have to go to work by taxi because my car _____ at the garage. [ ]
【单选题】— What's that noise? — Oh, I forgot to tell you. Your bike _____. [ ]