皮皮学，免费搜题
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【单选题】
依法实行（）的消防产品，由具有法定资质的认证机构按照国家标准、行业标准的强制性要求认证合格后，方可生产、销售、使用。A.
强制性产品认证
B.
备案公告
C.
监督管理
D.
技术鉴定
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A company that makes Computer Assisted Design （CAD） software has， within its application， some utilityclasses that are used to perform 3D rendering tasks. The company’s chief scientist has just improv...
A.
Inheritance
B.
Tight coupling
C.
Low cohesion
D.
High cohesion
E.
Loose coupling
【单选题】----Do you like______a doctor for the children? ----Yes. To be a children’s doctor is rewarding.
A.
be
B.
being
C.
are
D.
become
【单选题】What allows the programmer to destroy an object x？（）
A.
x.delete（）
B.
x.finalize（）
C.
Runtime.getRuntime（）.gc（）
D.
Explicitly setting the object’s reference to null.
E.
Ensuring there are no references to the object.
F.
Only the garbage collection system can destroy an object.
【单选题】With children, if you say 'no', you have to mean ______.
A.
that
B.
this
C.
it
D.
one
【简答题】What would you look for in the location if you have children? __________________________.
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