防止铅蓄电池不正常的极板硫酸化的主要措施有（）。

A、对蓄电池进行浮充电；

B、对蓄电池进行均衡充电；

C、对蓄电池进行核对性充电；

D、对蓄电池个别充电。

Structured programming practices (71) rise to Pascal，in which constructs were introduced to make programs more readable and better (72) . C provided a combination of assembly language and high-level Structure to create a general-purpose language that could be used from system to (73) programming. Next came object orientation，which is (74) of a methodology and design philosophy than a language issue．This is (75) by the addition of so-called OO extensions to current languages，such as C．

A．giving

B．given

C．gave

D．gives