The author mentions businesses in Paragraph 5 in order to
A. argue against free university education
B. call on them to finance students' studies
C. encourage graduates to go into business
D. show their contribution to higher education
第1题:
A. Partitions of PURCHASE_ORDER_ITEMS have system-generated names.
B. Both PURCHASE_ORDERS and PURCHASE_ORDER_ITEMS tables are created with four partitions each.
C. Partitions of the PURCHASE_ORDER_ITEMS table exist in the same tablespaces as the partitions of the PURCHASE_ORDERS table.
D. The PURCHASE_ORDER_ITEMS table inherits the partitioning key from the parent table by automatically duplicating the key columns.
E. Partition maintenance operations performed on the PURCHASE_ORDER_ITEMS table are automatically reflected in the PURCHASE_ORDERS table.
第2题:
A.onlythelow-order23bitsoftheMACaddressareusedtomapIPaddresses
B.onlythelow-order24bitsoftheMACaddressareusedtomapIPaddresses
C.onlythehigh-order23bitsoftheMACaddressareusedtomapIPaddresses
D.onlythelow-order23bitsoftheIPaddressareusedtomapMACaddresses
E.the0x01004fMACaddressprefixisusedformappingIPaddressestoMACaddresses
F.the0x01005eMACaddressprefixisusedformappingIPaddressestoMACaddresses
第3题:
4、在本节中,测试类里创建了Person类的对象p,使用该对象调用order()方法正确的是()。
A.p.order(new Car());
B.p.order(new Truck());
C.p.order(Car myCar);
D.p.order(Truck myTruck);
第4题:
The ORDERS table has these columns:ORDER_ID NUMBER(4) NOT NULLCUSTOMER_ID NUMBER(12) NOT NULLORDER_TOTAL NUMBER(10,2)The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs.Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? ()
A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;
B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;
C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;
D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;
E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;
第5题:
第6题:
在本节中,测试类里创建了Person类的对象p,使用该对象调用order()方法正确的是()。
A.p.order(new Car());
B.p.order(new Truck());
C.p.order(Car myCar);
D.p.order(Truck myTruck);