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【简答题】
三相异步电动机星—三角降压启动时,转矩为直接启动的1/3倍,启动电流为直接启动时( ) 倍。
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【简答题】天津在支援四川德阳地区抗震救灾活动中,一辆满载物资的总重为G牛顿的运输车,将物资沿ABCD路线运至D处,AB段海拔高度为h 0 米,CD段海拔高度为h 2 米,如图甲所示。在整个运输过程中,汽车以恒定速度v米/秒运动,汽车t=0时经过A处,t 1 时经过B处,t 2 时经过C处,在此过程中汽车牵引力功率P随时间,变化的图象可简化为图乙所示(P 1 、P 2 、t 1 和t 2 也为已知量)。 (1...
【简答题】汉译日 下午几点来学校?
【简答题】短文填空 从中选词并用其适当形式填空完成短文。 difficult, set up, cheer, feel, change, raise, train, tell, show, carry Dear Miss Yang, I’d like to thank you for__1___ money for Animal Helpers, a group that was__2___ to help...
【单选题】What is Dave's purpose in comparing Americans losing jobs after the import of Japanese televisions with doctors losing jobs after the disappearance of all disease?
A.
To suggest that maybe one day America will lose all those high-paying doctor and health care jobs.
B.
To show that Americans losing the jobs of producing televisions is the same as doctors losing their jobs.
C.
To justify that losing the jobs of producing televisions can also make America better off.
D.
To stress the importance of importing cheaper televisions from Japan to make Japan better off.
【简答题】甲、乙两名自行车爱好者准备在一段长为3500米的笔直公路上进行比赛,比赛开始时乙在起点,甲在乙的前面,他们同时出发,匀速前进,已知甲的速度为12米/秒,设甲、乙两人之间的距离为s(米),比赛时间为t(秒),图中的折线表示从两人出发至其中一人先到达终点的过程中s(米)与t(秒)的函数关系,根据图中信息,回答下列问题: (1)乙的速度为________米/秒; (2)当乙追上甲时,求乙距起点多少米; ...
【单选题】What is Dave's purpose in comparing Americans losing jobs after the import of Japanese televisions with doctors losing jobs after the disappearance of all disease?
A.
To suggest that maybe one day America will lose all those high-paying doctor and health care jobs.
B.
To show that Americans losing the jobs of producing televisions is the same as doctors losing their jobs.
C.
To justify that losing jobs of producing televisions can also make America better off.
D.
To stress the importance of importing cheaper televisions from Japan to make Japan better off.
【简答题】5) What is Dave’s purpose in comparing Americans losing jobs after the import of Japanese televisions with doctors losing jobs after the disappearance of all disease?A. To suggest that maybe one day A...
【单选题】After losing one of his legs in the accident, we can imagine that he will have a lot of difficulties to overcome in the years ______.
A.
following
B.
followed
C.
to be followed
D.
to follow
【单选题】What is Dave’s purpose in comparing Americans losing jobs after the import of Japanese televisions with doctors losing jobs after the disappearance of all disease?
A.
To suggest that maybe one day America will lose all those high-paying doctor and health care jobs.
B.
To show that Americans losing jobs of producing televisions is the same as doctors losing their jobs.
C.
To justify that losing the jobs of producing televisions can also make America better off.
D.
To stress the importance of importing cheaper television from Japan to make Japan better off.
【判断题】服务供应链成员选择时,对于协作型服务提供商,除了服务能力的数量、价格、时间和质量考核外,还要着重识别其所能够提供的服务能力类型是否与服务产品吻合,是否具有较大的服务能力配置和服务过程调整的弹性,是否愿意达成战略协作等。
A.
正确
B.
错误
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