假设数据段定义如下: DSEG SEGMENT DAT DW 1,2,3,4,5,6

题型:单项选择题

问题:

假设数据段定义如下: DSEG SEGMENT DAT DW 1,2,3,4,5,6,7,8,9,10 CNT EQU ($-DAT)/2 DSEG ENDS 执行指令MOV CX, CNT后,寄存器CX的内容是:

A.10

B.5

C.9

D.4

考点:计算机等级考试PC技术计算机三级(PC技术)62
题型:单项选择题

下列说法不正确的是(   )

A.倒数是它本身的数是±1

B.相反数是它本身的数是0

C.绝对值是它本身的数是0

D.平方是它本身的数是0和1

题型:单项选择题

第三部分:阅读理解(共20小题;每小题1.5分,满分30分)

阅读下列短文,从每题所给的四个选项A、B、C、D中,选出最佳选项,并在答题卡将该项涂黑。

(A)

The basenji is a central African hunting dog. It comes from a country called Chad, which is north of the Central African Republic. The basenji was well—known as the "silent dog" because for centuries no basenjis has ever been known to bark . Then at a dog show in London in 1953, a basenji actually barked.

As well as being clever, basenjis are known for their natural courage and are still popular hunting dogs in Africa. But in America people keep them mainly because they are gentle and full of fun. The basenji has an unusual habit, it washes itself all over like a cat. It is a middle—sized dog, 16 or 17 inches high from the shoulder. It weighs about 20 pounds. A basenji's coat is short and silky. It may be brown, white, or gold , or a mixture of these three colours.

56. Basenjis were first found      .

A. in Africa, Europe and America           B. in both Africa and America

C. in central Africa                       D. in North Africa

57. What made Basenjis so special?

A. They were funny enough to make people laugh.

B. One of them barked at a dog show in London.

C. They were a true friend of man.

D. They were born quiet dogs.

58. In what way are basenjis like cats?

A. They make gentle sounds instead of barking.

B. They are fond of people and look like cats.

C. They clean themselves all over.

D. They have short, silky fur.

题型:单项选择题

简述加热炉火焰的正常情况?

题型:单项选择题

脊柱骨折病人急救运送方法,下列哪项是正确的

A.用软担架搬运

B.3人平托放于硬板上搬运

C.2人抱持搬运

D.1人抱持搬运

E.1人背负搬运

题型:单项选择题

进入航空燃气涡轮发动机燃烧室的空气大部分用于冷却,仅大约()用于燃烧。

A.50%

B.10%

C.25%

D.75%

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