辩证唯物主义认识论中的客体是指——。 A．客观存在的所有事物的总和 B．物质世界的

为了完成某项任务，需要地方党委、地方政府共同部署、共同领导；解决某些重大事件时，需要两者共同组成领导指挥班子，把领导作用结合起来。这体现的是( )。

A．党政分开的原则
B．彼此保证的原则
C．互相结合的原则
D．全面强化的原则

______ you do the experiment carefully, you would make discoveries others wouldn’t make.

A．Should

B．Would

C．Could

D．Might

商业利润的来源是( )。

A．来自流通领域中商品流通买卖的差额
B．来自生产过程在流通中的继续所创造的价值
C．来自流通中发生的价值增值
D．来自产业工人创造的剩余价值

An economic expansion has caused Treasury yields to increase and absolute credit spreads to narrow. Which of the following is most likely true（）

A. Relative corporate yield spreads to Treasuries will have increased.

B. The yield ratio of BBB-rated bond yields to AAA-rated bond yields may have increased even as their absolute yield spread has decreased.

C. Even if absolute credit spreads had remained the same, the yield ratio and relative yield spread of BBB to AAA bonds could have decreased.

燃油锅炉刚启动时，雾化选择开关置于（）位置。

（A）蒸汽

（B）空气

（C）中间

（D）任意