【单选题】It can be inferred from the passage that most people in the United States in 1955 viewed the national economy with an air of______.
【单选题】如图所示,主动齿轮1通过中间齿轮2带动从动轮3传递功率,则中间齿轮2的轴O2是 。
【单选题】在信用证方式下,银行保证向信用证受益人发行付款责任的条件是( )
【单选题】We can infer from the passage that______.
A.
most people in Bihar will benefit from NREGA
B.
the old and disabled people are not involved in tree planting
C.
families who can't ensure 75% survival rate of the trees will not be paid
D.
Raju' s new plan will reduce Bihar's population below the poverty line
【简答题】Cars are an important 36 of life in the United States.Without a car most people feel that they are poor.And 37 if a person is poor he doesn’t feel really poor when he has a car.There are three main re...
【简答题】实现指令减速度目标,列车编组内的各车有多种分担制动力的方法。过去一般采用的控制方法就是各节车各自承担自己需要的制动力,即 方式。采用这种控制方式,拖车所需的制动力将全部由自己的 制动系统承担,拖车的 磨耗要比有电制动的动车快得多。
【单选题】下列由于人口增长过快造成的问题是 [ ]