Calculator is (66) for performing arithmetic operations, but that requires human intervention to alter its stored program, if any, and to initiate each operation or sequence of operations. A calculator performs some of the functions of a computer, but usually operates only with frequent human intervention.
Microcomputer’s processing unit consists of one or more microprocessors, and includes storage and input-output (67) . Personal computer primarily intended for (68) use by an individual. (69) computer can be hand-carried for use in more than one location. Minicomputer is functionally intermediate between a microcomputer and a mainframe. And supercomputer has the highest processing speeds available at a given time for (70) scientific and engineering problems.
（70）处填（）。
A．calculating
B．solving
C．resolving
D．settling
参考答案：B
解析：
参考译文
计算器适宜于进行算术运算，但需要人的干预，以改变其存入的程序(如果有的话)，并启动每一运算或一系列运算。计算器实现了计算机的某些功能，但其操作通常在频繁的人工干预下才能完成。
微型计算机的处理机由一个或多个微处理器组成，且包括存储器和输入输出设施。个人计算机主要供个人独立使用。便携式计算机能随手携带、供在多处使用。小型计算机的功能介于微型计算机与大型主机之间。巨型计算机则具有在给定时期可用的最高处理速度，用于求解各种科学和工程问题。