【单选题】关于机动车登记制度下列说法正确的是( )
A.
尚未登记的机动车需要临时上路行驶的,应当取得临时通行牌照
B.
驾驶机动车上道路行驶应悬挂机动车号牌,无需携带机动车行驶证
C.
准予登记的机动车应当符合机动车地方安全技术标准
【单选题】关于喷气式发动机,下列说法正确的是( )
B.
空气喷气发动机和火箭喷气发动机都需要利用外界空气来助燃
C.
喷气式发动机是靠燃料燃烧产生的高温高压气体向后喷出,产生很大的反作用力推动机身向前运动
【单选题】Finance companies raise funds in the money market by selling
C.
negotiable certificates of deposit.
【单选题】Given an initial equilibrium in the money market and foreign exchange market, suppose the Federal Reserve decreases the money supply of the United States. Under a floating exchange rate system, the do...
A.
Appreciate in value relative to other currencies
B.
Depreciate in value relative to other currencies
C.
Be officially devalued by the government
D.
Be officially revalued by the government
【判断题】DC/DC转换器的作用是将交流电变为直流电
【单选题】If the central bank buys foreign exchange in the spot market and sells domestic securities in the money market at the same time, this action can be called __________.
A.
discount window operation
B.
non-sterilized intervention
C.
sterilized intervention
【多选题】大学生应如何增强改革创新的能力本领( )