问题 单项选择题

* Eastern Standard Time

The table above shows the morning schedule for train X. If Juan took train X on Monday morning, did he arrive at station T on schedule ?()

(1)Juan arrived at station T on Monday morning 1 hour and 2 minutes after he left station S.

(2)Juan arrived at his office at 8:30 (EST) on Monday morning, which was 20 minutes after he arrived at station T.

A.条件(1)充分,但条件(2)不充分.

B.条件(2)充分,但条件(1)不充分.

C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.

D.条件(1)充分,条件(2)也充分.

E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.

答案

参考答案:B

解析:

(1)不充分,因为从(1)中我们只能得知,火车运行的时间与时刻表中的相一致,但却无从得知火车是否准时从S站出发,因此也无法推知Juan是否准时到达车站T;(2)充分,因为(2)中指出Juan在8:30到达办公室,是其到达车站T后的20分钟,由此可推知Juan到达T的时间为8:10,所以Juan准时到达了车站T。

单项选择题
单项选择题

Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened between. As was discussed before, it was not until the 19th century that the newspaper became the dominant preelectronic mediam, following in the wake of the pamphlet and the book and in the company of the periodical. It was during the same time that the communications revolution speeded up, beginning with transport, the railway, and leading on through the telegraph, the telephone, radio, and motion pictures into the 20th - century world of the motor car and the air plane. Not everyone sees that processin perspective. It is important to do so.

It is generally recognized, however, that the introduction of the computer in the early 20th century, (48) by the invention of the integrated circuit daring the 1960s, radically changed the process, although its impact on the media was not immediately (49) . As time went by, computers became smaller and more powerful, and they became "personal" too, as well as (50) , with display becoming sharper and storage (51) increasing. They were thought of, like people, (52) generations, with the distance between generations much (53) .

It was within the computer age that the term "information society" began to be widely used to describe the (54) within which we now live. The communications revolution has (55) both work and leisure and how we think and feel both about place and time, but there have been (56) view about its economic, political, social and cultural implications. "Benefits" have been weighed (57) "harmful" outcomes. And generalizations have proved difficult.

53()

A.deeper

B.fewer

C.nearer

D.smaller