【单选题】Each standard library has a corresponding __________.
【单选题】已知某消费者的效用函数为 U=3X × Y ,两种商品的价格分别为 PX =1 , PY =2 ,消费者的收入是 12 ,求均衡时消费者获得的最大效用。
【单选题】May I ask what the standard of your securities’ payment is?
A.
Each gets paid twenty Yuan per hour
B.
Each gets paid twelve Yuan per hour
C.
Thirty Yuan for each fellow per hour
D.
Fifteen Yuan for each security guard per hour
【单选题】Normally, the standard length of each shackle of the anchor chain is ____
【单选题】预付货款不多的企业,可以将预付的货款直接计入()借方,而不单独设置“预付账款”账户。
【单选题】----My room gets very cold at night ----_________.
【单选题】绝缘是防止直接接地触电击的基本措施之一,电气设备的绝缘电阻应经常检测,绝缘电阻用兆欧表测定。下列关于绝缘电阻测定的做法中,正确的是()。
D.
先开始装油后接地,结束时先断开接电线后停止装油
【单选题】绝缘是防止直接接地触电击的基本措施之一,电气设备的绝缘电阻应经常检测,绝缘电阻用兆欧表测定。下列关于绝缘电阻测定的做法中,正确的是()。
【单选题】In the standard engine, each cylinder has____.
【单选题】In the standard engine, each cylinder has ______.