Amake sentences as in the example. example: not easy / write instructions in pascae it is not easy to write instructions in pascal. 1 advisable / test the program under different conditions 2 expensive / set up a data-processing area 3 unusual for a program / work correctly the first time it is tested 4 difficult for students / learn fortran 5 important / consider the capabilities of the programming language 6 quite easy / write instructions in basic

1    it's advisable to test the program under different conditions2    it's expensive to set up a data-processing area3    it's unusual for a program to work correctly the first time it is tested4    it's difficult for students to learn fortran5    it's important to consider the capabilities of the programming language6    it's quite easy to write instructions in basic

1)  it  is  advisable  to  test  the  programm  under different conditions 2)  it  is  expensive  to  set  up  a  data-processing area 3) it  is  unusual  for  program  to  work  correctly the first time it is tested 4)  it is  difficult  for  students  to  learn (что это за слово, может опечатка? ) 5) it is  important  to  consider  the  capabilities  of  programming language 6)  it is  quite  easy  to  write  instructions in  basic

Объяснение:

Environmental problems have become one of the most urgent problems of modern society. More and more people suffer from air and water pollution. Nature also suffers from land and nuclear pollution. The reasons for such environmental problems are numerous.

Among them increasing number of cars in the streets, factory waste, millions of cut down trees, destroyed habitats of animals, contaminated rivers and seas. All these problems mainly arise due to human careless activities and gradually destroy our planet. If we look closely, we’ll notice that not only one city is under danger, but the majority of world population.

Someone was repairing their bikes. 2) Who is checking the passports? 3) We were fixing the satellite dish at 7p.m. yesterday. 4) One of the cable TV channels is presenting a new quiz show. 5) Newton discovered the law of gravity. 6) A building team was building the house when we returned to the town. 7) Cole Porter composed some nice musicals. 8) Someone was turning off TV while I came in the room. 9) Students handed out fliers last week. 10. At this very moment we are watching the soap opera on TV. 11. Journalists usually interview a variety of people.

Объяснение: