Написать предложений Present Perfect Continuous на тему экология(7 класс) *Про кислотный дождь,облака,загрязнение и т.д

Simultaneously with the creation of private copies of viruses can harm: to destroy, to damage, to steal data, to reduce or completely prevent further operation of the computer operating system. 2. Harmless viruses do not interfere with the operation of the computer, but reduce the amount of free RAM and memory on the disc; the actions of such viruses appear in any graphic or sound effects. 3. The most common kind of “Trojans” is widely known programs use (editors, games, translators), which are embedded in the so-called “logic bombs” that are triggered in case of occurrence of some event. 4. Compared with viruses Trojan horses are not widely spread due to quite simple reasons, they either destroy themselves together with other data on the disk, or unmask their presence and destroyed by the user. 5. Known viruses are invisible which are very difficult to detect and neutralize, as they intercept treatment operating system to the affected files or sectors of disks and substitute uncontaminated areas of the disk.

1. Nowadays people have a lot of (society)> social problems.  

2. The (crime) > criminals were kept in prison.  

3. Don't (interruption)> interrupt me while I'm talking.  

4. What (rude)> rudeness! He never spoke to his parents like this.  

5. I don't approve of (cruel)> cruelty to animals and kids.  

6. Don't (threat) > threaten him. He can beat you.  

7. He stood (shame)> shamefully in the corner and didn't know what to say.  

8. I'm so (forget)> forgetful. A never remember anything.  

9. The face of the policeman was (threat) > threatening.  

10. Jane learns three languages at school. (Nature) > Naturally, she speaks good Italian and Spanish.