they are both regular
they have the same number of sides
their corresponding sides and angles are equal
their corresponding sides are equal
they have the same shape
单选题You create a Web Form that displays a GridView. The GridViews data source is a DataSet named dsOrders. The DataSet contains two DataTables named Orders and OrderDetails. You create a relation between the two DataTables using the following code segment. (Line numbers are included for reference only.)01 dtOrders = dsOrders.Tables[“Orders”]; 02 dtOrderDetails = dsOrders.Tables[“OrderDetail”]; 03 colParent = dtOrders.Columns[“OrderID”]; 04 colChild = dtOrderDetails.Columns[“ParentOrderID”]; 05 dsOrders.Relations.Add(“Rell”, colParent, colChild, false); You need to find the cause of the exception being raised in line 05. What should you do? （）A Ensure that the child column and the parent column have the same names.B Ensure that the child table and the parent table have the same names.C Ensure that the child column and the parent column have the same data types.D Ensure that each row in the child table has a corresponding row in the parent table.E Ensure that the tables have an explicit relationship defined by a foreign key constraint in the database.
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单选题Two polygons must congruent if ______.A they are both regularB they have the same number of sidesC their corresponding sides and angles are equalD their corresponding sides are equalE they have the same shape
单选题Finally the two sides have（）A reached agreementB taken an agreementC done an agreementD made an agreement
单选题In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.A a little deeper aftB a little deeper forwardC at the same draught between fore and aftD a balance between two sides
多选题Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?（） (Choose three.)ABoth source and target database must be the same character setBBoth source and target database must have the same endian formatCThe COMPATIBLE parameter must be the same in the source and target databases.DThe minimum compatibility level for both the source and target database must be 10.0.0.EAll read-only and offline data files that belong to the tablespace to be transported must be platform aware.
单选题What is required by regulations concerning the stowage of lifeboats on cargo vessels?（）A Each lifeboat must have a launching applianceB Launching appliances must be of the gravity typeC There may not be more than two launching appliances on the same deckD All of the above
单选题Spring tides occur（）.A when the moon is new or fullB when the moon and sun have declination of the same nameC only when the moon and sun are on the same sides of the earthD at the beginning of spring when the sun is over the equator
