英译汉

　　第1题、Why Is it So Difficult to Swat a Fly? The brains of flies are wired to avoid the swatter, US researchers said on Thursday. At the mere hint of a threat, the insects adjust their preflight stance to flee in the opposite direction, ensuring a clean getaway, they said in a finding that helps explain why flies can so easily evade swipes from their human foes. "These movements are made very rapidly, within about 200 milliseconds, but within that time the animal determines where the threat is coming and activates a set of movements to position its legs and wings," Michael Dickinson of the California Institute of Technology said in a statement. "This illustrates how rapidly the fly's brain can process sens ……此处隐藏7742个字…… the world. With tomorrow's money, the Americans have undermined today's housing market and aggravated the inflation. The U.S. government, companies and common people always consider the United States as the wealthiest nation in the world, so that they can borrow and spend as much as they want. However, a nation depending upon borrowing is in no way a healthy nation. One can become the owner of a luxury house without spending a cent, and finally a global financial crisis was brought about. It costs a nation its entire credit to plunder property from other nations by paper-currency printing. A smart guy who borrows irresponsibly is too clever to be wise, and this has become one of the facts threatening the U.S. national security.