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【单选题】
浮力分选是利用固体废物中各组分()的不同而进行分选的方法。A.
重力
B.
磁性
C.
表面性质
D.
电性
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反馈参考答案：
举一反三
【单选题】(Unit1 Text B)"To have my son at my fingertips... " What does this sentence mean?
A.
The writer can contact her son very easily.
B.
The writer can touch her son with her fingers.
C.
It is not easy to keep in touch with her son.
D.
It is impossible to see her son.
【单选题】以下哪个程序段的执行结果为 "OK"
A.
Dim y As Integer y=10 Select Case y Case 11 To 1 Print "OK “ End Select
B.
Dim y As Integer y=20 Select Case y Case Is>20,Is<20 Print "OK” End Select
C.
Dim y As Integer y=6 Select Case y Case Is>6,1,2 to 5 Print "OK” End Select
D.
Dim y As Integer y=10 Select Case y Case 1,3,Is>6 Print "OK" End Select
【简答题】以下程序段,执行结果为( )a=1;do{a=a*a;} while (!a);(2.0分)A. 循环体只执行一次 B. 循环体执行二次 C. 是无限循环 D. 循环条件不合法
【单选题】(Unit1 B)"To have my son at my fingertips... " What does this sentence mean?
A.
The writer can contact her son very easily.
B.
The writer can touch her son with her fingers.
C.
It is not easy to keep in touch with her son.
D.
It is impossible to see her son.
【单选题】You accepted the recommended SQL Profile by executing the following code： DECLARE sqlprofile_name varchar2（30）； BEGIN sqlprofile_name ：= DBMS_SQLTUNE.ACCEPT_SQL_PROFILE（ task_name => ’my_task’...
A.
SQL Access Advisor
B.
Undo Advisor
C.
Segment Advisor
D.
SQL Tuning Advisor
【简答题】以下程序段,执行结果为( )a=1;do{a=a*a;} while (!a);(1.0分)A. 循环体只执行一次 B. 循环体执行二次 C. 是无限循环 D. 循环条件不合法
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