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In many instances a void space will be created in the centre of the row，and a ______ should be placed so that it sits above the two innermost coils．
A.locking coil
B.sitting coil
C.inner coil
D.safe coil
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更多 “ In many instances a void space will be created in the centre of the row，and a ______ should be placed so that it sits above the two innermost coils．A.locking coilB.sitting coilC.inner coilD.safe coil ” 相关考题
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Perform EXPORT, DROP, and IMPORT operations on the BOOKINGS table sequentiallyB
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Saves money on software costsC
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单选题How many database instances are used during a database-duplication process？（）A
OneB
TwoC
ThreeD
FourE
Five
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单选题According to the passage, what problem does Sao Paulo have?A
A lot of people don’t have jobs.B
Too many people live in the city centre.C
A lot of people are moving out of the city.D
Too many people travel into the city every day.
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单选题What will be written to the standard output when the following program is run？（） public class Q03e4 { public static void main（String args[]） { String space = " "； String composite = space + "hello" + space + space； composite.concat（"world"）； String trimmed = composite.trim（）； System.out.println（trimmed.length（））； } }A
5B
6C
7D
12E
13
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多选题class A { } class Alpha { private A myA = new A（）； void dolt（ A a ） { a = null； } void tryIt（） { dolt（ myA ）； } } Which two statements are correct？（）AThere are no instanced of A that will become eligible for garbage collection.BExplicitly setting myA to null marks that instance to be eligible for garbage collection.CAny call on tryIt（） causes the private instance of A to be marked for garbage collection.DPrivate instances of A become eligible for garbage collection when instances of Alpha become eligible for garbage collection.
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多选题Which three statements about subqueries are true?（）AA single row subquery can retrieve only one column and one row.BA single row subquery can retrieve only one row but many columns.CA multiple row subquery can retrieve multiple rows and multiple columns.DA multiple row subquery can be compared by using the operator.EA single row subquery can use the IN operator.FA multiple row subquery can use the = operator.
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