Which type of warranty is enacted if a service or product does not meet the level of quality specified in the contract ？（）

A:Implied warranty of merchantabilit B:Implied warranty of specified qualit C:Express warrant D:None of the abov

Reading to oneself is a modern activity which was almost unknown to the scholars of the classical. In (1) world during the fifteenth century the term " reading" (2) meant reading aloud. Only during the nineteenth century did silent reading become commonplace. One should be wary, however, of (3) that silent reading came about simply because reading aloud is a(n) (4) to others. Examination of factors related to the (5) development of silent reading reveals that it became the usual mode of reading for most adult reading tasks mainly because the tasks themselves changed in (6) .
The last century saw a steady gradual increase in (7) and thus in the number of readers. As readers increased, the number of potential listeners (8) , and thus there was some (9) in the need to read aloud. As reading for the benefit of listeners grew less common, so came the flourishing of reading as a (10) activity in such public places as libraries, railway carriages and offices, where reading aloud would (11) distraction to other readers.
Towards the end of the century there was still (12) argument over whether books should be used for information or treated (13) , and over whether the reading of material such as newspapers was in some way (14) weakening. Indeed this argument still remains with us in education. (15) its virtues, the old shared literacy culture had gone and was (16) by the printed mass media on the one hand and by books and periodicals for a (17) readership on the other.
By the end of the century students were being recommended to adopt attitudes to books and to use skills in reading them which were inappropriate, (18) not impossible, for the oral reader. The social, cultural, and technological changes in the century had greatly (19) what the term "reading" (20) .

A:specific B:special C:specified D:specialized

Electrical energy may be divided into two components ______ as positive and negative.

A:distinguished B:specified C:separated D:indicated

The town is (famous) for its magnificent church towers.

A:known B:contemporary C:specialized D:specified

( )is the written promise of a bank to act at the request and on the instruction of the applicant and to undertake payment to the beneficiary in the amount specified in the credit.

A:Letter of Delivery B:Letter of Credit C:Letter of Indemnity D:Letter of Guarantee

______ are web sites that search the web for occurrences of a specified word or phrase.

A:Search engines B:WWW C:Internet D:Java

（）are web sites that search the web for occurrences of a specified word or phrase.

A:Search engines B:WWW C:Internet D:Java

（）are web sites that search the web for occurrences of a specified word or phrase.

A:Search engines B:WWW C:Internet D:Java