present perfect passive exercises

5. The concentration of their language However the humans living for the spaceship were different to the humans who're living on the planet now. They were so fat that they are struggling to walk. they travelled around in motorised chairs with a monitor and cup & straw attached, chatting on phones and when they happened to fall out they just laid there until a robot came along and picked them up. The adults were fat, the children were fat! They just laid around all day consuming doing no exercise what so ever and to quote the captain, "Computer, define dancing". When a plan is finally formulated it usually looks something like this; you are going on a diet of some kind and if you are really motivated start a workout program. This makes sense because everybody knows that the fewer calories we take in the more fat we are able to lose. Add jogging a few times a week plus some sit-up and before long that rebellious stomach is going to be put back in its place. if (ch_selected Why cold air is preferred will even take some explanation. During combustion engine becomes hot does air from it. Hot air is lighter which makes it less dense and in the limited level of the engine there is certainly a smaller amount of air whenever we measure it by the weight. That means less of oxygen which is detrimental for full combustion. Air intake brings in cold air from the outside which is dense. Maxima cold-air intake allows an even flow of air within the engine. Thereby you can get more power in the engine for the similar quantity of fuel. It will help you in economizing on fuel at one time reduce pollution which are the two most desired objectives in the present times. You can see more to do with cold air intakes at On its own, digital telephone service sounds pretty appealing: unlimited calls, cheaper phone bills, great features and much more. But along with a youtube video phone, digital voice service looks amazing. Video phones let users see the other person in lieu of simply hearing one another?s voice on the line. Though it may seem, or look, too good to be true, most analysts agree that video phones will probably be within the majority of households within the near future. As any first-year econ student will explain, there's 2 disciplines in economics - microeconomics and macroeconomics. And they hate the other. As the U.S. Congress prepares to decrease the hammer around the financial services industry, here are the forces which can be butting heads and why it is simply now that they've chose to accomplish that. Microeconomics will be the area that business students gravitate towards. Profit maximization could be the mantra, with marginal costs and fixed costs optimized to create businesses just as much money as you can. Microeconomics compares the world through the eyes of the CEO, who looks to perform laptop computer for his company - earn more income and deliver value.