The white leopard lives in горнолесных areas where the obvious preference gives chernopihtovo-kedrovo-shirokolistvennym to woods on the average and headwaters of the rivers. Less willingly it occupies широколиственные woods and especially пирогенные the oak forests which areas as a result of annual fires increase. Its area covering Earlier northeast China, the Korean peninsula and the Ussuriisk territory south, was reduced now till critically small sizes. The modern area of a Far East leopard covers only limited горнолесной area the area about 10-15 thousand in sq. km on a joint of three states of Russia, the Peoples Republic of China, Democratic People's Republic of Korea. The sizes of individual sites at a Far East leopard small, about 5-8 thousand in hectare, and animals - strictly territorial predators: each adult animal has the site which isn't blocked with sites of individuals of the same floor.
The rules of safe behavior on the road:
One should walk only on sidewalks, pedestrian or bike path, if not on the roadside. In their absence it is possible to move along the edge of the carriageway facing traffic vehicles.
Where there is a traffic light to cross the road only on a green signal of a traffic light.
In places where there are no traffic lights, safe to cross the road through underground or overhead pedestrian crossing, and in their absence by a pedestrian ("Zebra").
If there is no crosswalk, you must go to the nearest intersection. If the there is no crosswalk, no intersection, the road proceed along the shortest path. And only there, where the road without fences and is clearly visible in both directions, looking carefully left and right.
You cannot climb over fences.
If the road is wide, and you don't have time to go, to ride out on "the island".
If there are adults, ask them to help you cross the road.
Playing games on the road and on the sidewalk is dangerous. It is strictly forbidden to run out on the carriageway from behind the trees, cars and other objects that obstruct the driver see you in time<span>.</span>
Упр. 1
<span>I. Some blind and partially sighted people </span><u>use</u> (Present Simple, Active) computer-based technology <span>to gain (инфинитив) access to printed information.
2. In 1997, a new technology <u>emerged</u> (Past Simple, Active) that </span>brought <span>(Past Simple, Active)</span><span> digital sound and video into homes over the world.
3. Since 2006 another revolution with the introduction ofBlu-ray Discs <u>has taken</u> (Present Perfect, Active) place.
4. Users <u>will </u></span><span><u>be</u> (Future Simple, Active) able to connect (инфинитив) to the Internet via Wi-Fi.
5. Minicomputers <u>are becoming</u> (Present Continuous, Active) less </span><span>popular as microcomputers improve.
6. We <u>have been solving</u> (Present Perfect Continuous, Active) the problem since </span><span>1993.
7. Up to this point we <u>have been discussing</u> (Present Perfect Continuous, Active) information retrieval in genera! terms.
8. Two keys <u>are</u> usually <u>employed</u> (Present Simple, Passive), one to encode (инфинитив) and the other to decode (инфинитив) the information.
9. The separate elements of the building <u>have been manufactured</u> (Present Perfect, Passive) at different factories.
10. Computer Security techniques <u>are being developed</u> (Present Continuous, Passive) to protect (инфинитив) single computers from accidental or intentional invasion of data </span><span>by unauthorized individuals.
II. Science <u>is</u> (Present Simple) the means by which the hole of our civilization <u>is</u> rapidly <u>being transformed</u> (Present Continuous, Passive).
12. The new device <u>will have been tested</u> (Future Perfect, Passive) before the chief engineer comes.
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упр. 2
<span>SMS </span><u>was created</u><span> (Past Simple, Passive) during the late 1980s </span><u>to work</u><span> (инфинитив) with a digital technology </span><u>called</u><span> (причастие II) GSM (global system for mobile communications), which </span><u>is</u><span> (Present Simple) the basis for most modem cell phones.
The Norwegian engineers who </span><u>were inventing</u><span> (Past Continuous Active) it </span><u>wanted</u><span> (Past Simple Active) a very simple messaging system that </span><u>worked</u><span> (Past Simple Active) when users' mobile phones </span><u>were turned off</u><span> (Past Simple Passive) or out of signal range.
Most sources </span><u>agree</u><span> (Present Simple Active) that the first SMS message </span><u>was sent</u> (Past Simple Passive) in the UK in 1992.
<span>As SMS <u>was born</u> (Past Simple Passive) in Europe, it <u>is</u> </span><span>(Present Simple) not surprising that it </span><u>took</u><span> (Past Simple Active) a little longer </span><u>to make</u><span> (инфинитив) its way to the United States.
Even today it </span><u>is</u><span> (Present Simple) much more popular in Euгоре.
A July 2005 study </span><u>found</u><span> (Past Simple Active) that 37 percent of U.S. mobile phone owners </span><u>had sent</u><span> (Past Perfect Active) or </span><u>received</u> (Past Perfect Active) at least one text message in the previous month.
(4x-2)(-x+5)=0
4x-2=0
4x=2
x=2/4=1/2
-x+5=0
-x=-5
x=5
Ответ : x1=1/2,x2=5