【单选题】如果车辆在起步加速时,四轮驱动耦合器上的驱动扭矩是怎样传递的?( )
A.
如果车辆在在起步加速时,耦合器立即被完全打开
B.
如果车辆在在起步加速时,后桥的驱动扭矩根据发动机转速按需调节
C.
如果车辆在在起步加速时,耦合器开口度控制阀N373被关闭,工作活塞工作压力最大,后桥的驱动扭矩达到最大值
【单选题】Buying in ______is more economical than shopping for small quantities.
【简答题】Buying ____________(大量地) is more economical than shopping for small quantities.
【判断题】在拥挤的人群中,如果带着孩子,要尽快把孩子抱起来,防止受到伤害。
【多选题】Direction: Fill in the blank s with proper phrase s marked A to O. Write the capital letters only.
D.
proficiency in English;
J.
with large sale; K. absorbed in L. allergic to M. in bulk; N. wouldn ’ t consent to; O. E xposure to ; 1. Buying ____________ is more economical than shopping for small quantities. 2. She never enjoyed the fame that ________________ her. 3. Evidence of basic ________________ is part of the admission requirements. 4. ____________ a second language should take place in elementary school. 5. The old bus started ___________ , so the passengers shook all of a sudden. 6. My parents used to entertain friends ____________ parties. 7. Many groups have together mounted ____________ cuts in hospitals. 8. My aunt never married because her father ____________ her marriage to the person with whom she had fallen in love. 9. Miss Stonehouse told how she saw her baby son __________ his infant car seat when her car was in a collision with another car. 10. Your boss is simply __________ your ideas because he thinks of them as impracticable and based on wrong judgment.
【单选题】For small quantities of output, average variable cost decreases as output increases due to:
A.
a reduction in the number of workers.
C.
labor specialization increases worker productivity.
D.
More information is needed to determine.
【单选题】Buying in is more economical than shopping for small quantities.
【多选题】( ) is a situation in which a firm charges a different price for large purchases than for small quantities, so that the price paid varies according to the quantity purchased.
A.
Perfect price discrimination
B.
Nonlinear price discrimination
C.
Group price discrimination
D.
Second-degree price discrimination
【单选题】Buying in _________ is more economical than shopping for small quantities.
【多选题】一辆没有配置动力转向系统的汽车,当车速达到约90km以上时,即使在平坦路面上也发生方向漂浮和摇晃的现象,很难保持直线行驶。
你认为应该怎样进行检查和修理,其步骤主要有()。
G.
检查悬架系统机构各零件是否正常,若松旷则拧紧