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.

（69）处填（）。

A．Carried

B．Traveling

C．Portable

D．Walking

下列属于右心室双出口的是（）。

A.两心室的位置互换、心房与心室关系不正常、心房与大动脉血流关系正常

B.心房与心室关系正常，心室与大动脉关系不正常

C.心房与心室关系正常，主动脉发自右心室，肺动脉骑跨室间隔之上，骑跨率80%

D.肺静脉合并成肺总静脉注入无名静脉再回流右上腔静脉

E.右肺静脉进入右心房，左肺静脉入左心房