Whichstatementsconcerningtheswitchconstructaretrue？（）
Allswitchstatementsmusthaveadefaultlabel.
B. Theremustbeexactlyonelabelforeachcodesegmentinaswitchstatement.
C. Thekeywordcontinuecanneveroccurwithinthebodyofaswitchstatement.
D. Nocaselabelmayfollowadefaultlabelwithinasingleswitchstatement.
E. Acharacterliteralcanbeusedasavalueforacaselabel.
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心理健康状态是指个体的认知、情绪、态度和行为功能良好的心理状态。（）
思维通常包括动作思维、逻辑思维、创造性思维和（)。
A. 发散性思维
B. 逆向思维
C. 形象思维
D. 习惯思维
Giventwocollectionobjectsreferencedbycol1andcol2，whichofthesestatementsaretrue？（）
A. Theoperationcol1.retainAll（col2）willnotmodifythecol1object.
B. Theoperationcol1.removeAll（col2）willnotmodifythecol2object.
C. Theoperationcol1.addAll（col2）willreturnanewcollectionobject，containingelementsfrombothcol1 andcol2.
D. Theoperationcol1.containsAll（Col2）willnotmodifythecol1object.
Whichstatementsconcerningtheeffectofthestatementgfx.drawRect（5，5，10，10）aretrue，giventhatgfxisareferencetoavalidGraphicsobject？（）
A. Therectangledrawnwillhaveatotalwidthof5pixels.
B. Therectangledrawnwillhaveatotalheightof6pixels.
C. Therectangledrawnwillhaveatotalwidthof10pixels.
D. Therectangledrawnwillhaveatotalheightof11pixels.
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