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【单选题】
为保证消防系统的正常运行，需要（ ）对消火栓进行全面检查维修。A.
每年
B.
每半年
C.
每月
D.
每天
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举一反三
【单选题】If the demand schedule may be written P = 100 - 4Q, and the supply schedule P = 40 + 2Q, then the market clearing price and quantity are:
A.
P = 60, Q = 10.
B.
P = 10, Q = 6.
C.
P = 40, Q = 6.
D.
P = 20, Q = 20.
E.
none of the above.
【单选题】Which of the following statements about clearing account barter is not correct?
A.
Clearing account barter is aimed at reducing the effect of' bilateralism.
B.
Clearing accounts record the debits and credits of trade.
C.
The entries in clearing accounts are directly withdrawable.
【单选题】关于四环素牙的预防和治疗以下说法错误的是
A.
妊娠期妇女可适量服用四环素药物
B.
哺乳期妇女不宜服用四环素类药物
C.
用复合树脂贴面修复时不宜磨去过多釉质层
D.
可用烤瓷冠修复
E.
脱色法可使用30%过氧化氢
【单选题】The sky is _____ after the rain .
A.
clearing out
B.
clearing away
C.
clearing up
D.
clearing off
【多选题】Clearing items contain the following information, such as ( ).
A.
Clearing date
B.
Clearing document number
C.
Archived information
D.
Due date
【单选题】If the demand schedule may be written P = 100 - 4Q, and the supply schedule P = 40 + 2Q, then the market clearing price and quantity are:
A.
P = 60, Q = 10.
B.
P = 10, Q = 6.
C.
P = 40, Q = 6.
D.
P = 20, Q = 20.
【判断题】Clearing Skies Press published a book by Walter Roark entitled Keeping the Baby Alive Till Your Wife Gets Home. It is an advice book for new fathers. The market for this book is based on demographics.
A.
正确
B.
错误
【多选题】Which information is contained in clearing items?
A.
Clearing date
B.
Clearing document number
C.
Archived information
D.
Due date
【简答题】市场出清(market clearing)
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