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【单选题】
Block group contains( ).A.
connecting rods,crankshanft and flywheel
B.
piason,connecting rods and oil pan
C.
cylingder block,cylinder head and oil pan
D.
piston rings,gasket and connecting rods
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举一反三
【简答题】广义的理解是任何信息系统都有生命周期，包括（）、系统分析、（）、系统实施和（）五个不断循环的阶段。
【简答题】Who are you? Sure you know your name, but your name is just a label (标签); it does not describe who you are. In a world with over six billion people, there can be millions of Johns or Jennys, but there...
【简答题】信息的生命周期不包括（）阶段。
【单选题】A fast food restaurant is the place ______ , just as the name suggests, eating is performed quickly.
A.
which
B.
where
C.
there
D.
what
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