Đề khó lớp 8 đei =) To:Hạo
Have you ever followed instruction for knitting (1)__________ or have you read a piece of music? If you have, you have behaved in a similar way (2)________ a computer. A computer obeys a program to carry out a particular task. Just (3)_________ a knitting pattem is expressed in numbers and a pressed in the form of programming language. (5)________ the English language ( or any other languege ), there are fules of grammar, and a program must be correct in (6)_____ way.
There're hundreds of programming languages, (7)________ only a few are well-known and widely used. The most popular language (8)______ is used in offices and factories is called Cobol. This language is used for (9)_________ payrolls and keeping records of goods. Engineers and scientists use Fortran is order to carry out calculations. (10) _________ neither of these two programs is very popular with people working on home computers. Basic is the most popular language for home computer, chiefly (11)___________ it is easy to learn and use.
(12)__________ these languages are useful for many purposes, it is time that a new simple program (13)__________. (14)__________ a program (15)_______ only easy to use but also completely reliable.
1. A.anything B.everything C.something D.nothing
2. A.to B.as C.so D.from
3. A.like B.by C. so D.as
4. A.so B.as C.thus D.such
5. A.So B.Like C.Same D.By
6. A.every B.most C.almost D.some
7. A.and B.but C.or D.if
8. A.that B.where C.it D.what
9. A.the printing B.printed C.printing D.printer
10. A. In addition B.Therefore C.Consequently D.However
11. A.if B.so C.because D.although
12. A.Because B.Although C.When D.For
13. A.be devised B.were devised C.devised D. was devised
14. A.So B.Such C.Like D.As
15. A.should be B.shouldn't be C. should be not D.should not
(4) ?