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阐述这条查询语句的含义是什么? select cust_name, cust_contact from customers where cust_id in ( select cust_id from orders where order_num in (select order_num from orderitems where prod_id = 'TNT2'))
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【单选题】When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?
A.
Light List
B.
Notice to Mariners
C.
On the chart
D.
Coast Pilot
【单选题】In an economy where net exports are zero, if saving rises in some period, then in that period
A.
consumption and investment fall.
B.
consumption falls and investment rises.
C.
consumption rises and investment falls.
D.
consumption rises and investment falls.
【单选题】Where did the Anasazi move during the Great Pueblo Period?
A.
To settlements on ledges of canyon walls.
B.
To pueblos in the south.
C.
Onto the tops of the mesas.
D.
Onto the floors of the canyons.
【单选题】In an economy where net exports are zero, if saving rises in some period, then in that period
A.
consumption and investment fall.
B.
consumption falls and investment rises.
C.
consumption rises and investment falls.
D.
consumption and investment rise
【简答题】2020年1月30日,中国国家铁路集团有限公司有关负责人在国家卫健委新闻发布会上指出,按照防控工作要求,发现发热旅客立即移交留观站进行筛查或交给当地卫生部门。在列车上发现发热旅客后, 下交,同时立即进行隔离。
【简答题】As to the Definitions, High context refers to societies or groups where people have _______________ over a long period of time.
【简答题】As to the Definitions, high context refers to societies or groups where people have _______________ over a long period of time.
【单选题】Where a period is fixed during which freight is to be paid，the Shipowner must ______ to deliver the goods throughout the whole of that period if he wishes to claim payment．
A.
be had
B.
be made
C.
be prepared
D.
be delivered
【简答题】Where were settlements built during the Hallstadt C period?
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