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Structured programming practices (1) rise to Pascal, in which constructs were introduced to make programs more readable and better (2) . (3) provided a combination of assembly language and high-level structure to create a general-purpose language that could be used from system to application programming. Next came object orientation, which is (4) of a methodology and design philosophy than a language issue. This is (5) by the addition of so-called OO extensions to current languages, such as application.

（4）（）

A.more

B.little

C.amatter

D.important

船舶在高洪水期航行，如遇漫滩水流，应（）.

A、及时调整流压差角

B、挂高船位，抑制偏移

C、AB都对

D、AB都不对

气门导管的作用是什么？

Time is money! We should（）our time.

A.be fit for

B.make good use of

C.play a part of

D.take the place of

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