【简答题】The biggest obstacle to energy transition is that the present energy system is too expensive to replace. 查看材料
【单选题】The performance of this reasonably priced digital camera is _____ in quality to that of more expensive ones.
【单选题】Health Care in the US Health care in the US is well-known but very expensive. Paying the doctor's bill after a major illness or accident can cost hundreds of thousands of dollars. In the US, a person'...
【简答题】In the future,cars won’t be ______,and it’ll be _____ to travel everywhere by plane. A,cheap, expensive B. expensive ,expensive C. cheap , cheap D. expensive,cheap
【单选题】心理学家给被试看陌生人照片,结果发现照片看到的次数越多,越能增加喜欢程度,体现了心理学的( )。
【判断题】在平面机构中,不与机架直接相连的构件(如连杆)上任一点的绝对速度均不为零。
【单选题】Why did the French consortium gave up to build the canal?( )
A.
Because it was too expensive.
B.
Because many people died.
C.
Because the topography in Panama was difficult to build a canal.
D.
Because the American government decided to buld it by themselves.
【判断题】在《父亲的手提箱》一文中,作者以父亲的手提箱为线索,讲述了父亲对自己走上文学创作道路的影响,表达了对父亲深深的怀念。
【判断题】绝对数时间序列可分为时期数列和时点数列,而相对数时间数列和平均数时间数列不能区分时期数列和时点数列。( )
【判断题】绝对数时间序列可分为时期数列和时点数列,而相对数时间数列和平均数时间数列不能区分时期数列和时点数列。