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【单选题】
可以作为排序操作使用的表空间是( )。A.
还原表空间
B.
临时表空间
C.
只读表空间
D.
默认临时表空间
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【简答题】根据句意和汉语注释，写出单词的正确形式。 1. We are writing to you about _____(保护) wild animals. 2. Wolves have very good eyesight, _____(听力) and smell. 3. They will live in family _____(组/群) and hunt together if they liv...
【单选题】We don’t know if it ________ tomorrow. If it ______, we won’t go to the zoo.
A.
rains; rains
B.
rains; will rain
C.
will rain; will rain
D.
will rain; rains
【单选题】某企业生产某种产品Q=10，此时总成本TC=100，当生产数量增加到Q=11时，平均成本AC=11，产品价格P=25，则为了取得最大利润，（）
A.
在垄断市场上，它会减少产
B.
在垄断市场上应增加产量，但在完全竞争市场上不增不减
C.
任何条件下都应减少产量
D.
任何条件下都应增加产量
【单选题】Peter is admitted to the hospital because he is having lower than normal potassium levels in his blood. Which foods should the nurse instruct the to eat?
A.
Whole grains and nuts
B.
Milk products and green, leafy vegetables
C.
Pork products and canned vegetables
D.
Orange juice and bananas
【简答题】A supermarket is a self-services store. It is the important type of retail ( 零售 ) by combining self-service with low prices. An average supermarket handles ( 买卖 ) thousands of edible things including ...
【单选题】Which of the following is Giant Beanstalks' upstream partner?
A.
the management of Greenleaf
B.
the farmers of Riverdale
C.
the trucks that carry Giant Beanstalks' products to Greenleaf
D.
the end-consumers who buy the canned vegetables from Greenleaf
【简答题】小题1:How old is Emma ? A. 2 B. 4 C. 6 小题2:From the card we know that_______. A. The party will begin at 2:30pm. B. The party will be held at home. C. The party won’t be interesting. 小题3:The pictu...
【单选题】某企业生产某种产品Q=9,此时总成本TC=100,当生产数量增加到Q=10时,平均成本AC=11,产品价格P=15,则为了取得最大利润( )。
A.
在垄断市场上，它会减少产量；
B.
在垄断市场上应增加产量，但在完全竞争市场上不增不减；
C.
任何条件下都应减少产量；
D.
任何条件下都应增加产量。
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