【单选题】Tom often go to play _ basketball after school.
【单选题】Tom looked at Cindy in ______ .
【简答题】Tom (go)to school at 9 o'clock yesterday morning.
【单选题】平面机构中包含 活动构件数6个, 8个低副,自由度数为1,且具有确定运动,则机构中高副数为( )个。
【多选题】当一项独立的长期投资方案的净现值大于零时,则可以说明( )。
A.
该方案的现金流入现值总和大于该方案的现金流出现值总和
【单选题】Tom is _______. Unit 1 Section A (A).mp3
【单选题】平面机构中包含8个低副和1个高副,自由度数为1,且有确定运动,则机构的活动构件数为()个
【简答题】Word文档中两行之间的间隔叫作( )。
【简答题】Tom said they had finished the job yesterday.