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4.

A)Thelifeboatspatrolthearearoundtheclock.
B)Thebeachisagoodplacetowatchthetide.
C)Theemergencyservicesareefficient.
D)Thebeachisapopulartouristresort.

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Questions5to7arebasedonthenewsreportyouhavejustheard.

A)Itclimbed25storeysatonego.
B)Itbrokeintoanofficeroom.
C)Itescapedfromalocalzoo.
D)Itbecameanonlinestar.

6.

A)Releaseitintothewild.
B)Returnittoitsowner.
C)Senditbacktothezoo.
D)Giveitaphysicalcheckup.

7

A)Aracooncanperformactsnohumancan.
B)Aracooncanclimbmuchhigherthanacat.
C)Theracoondidsomethingnopoliticiancould.
D)Theraccoonbecameasfamousassomepoliticians.

1.软件按照设计的要求,在规定的时间和条件下达到不出故障,持续运行的要求的质量特性称为()。

A. 可用性
B. 可靠性
C. 正确性
D. 完整性

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