When the output is given, the investor's returns on investment is to the largest extent up to the method of ______ of tangible assets he has invested in the first place.
writers with increases in musicians all accurately attract express upon combine well lie appeal say How people first learned to invent words is unknown, (21)__ other words, the origin of language is a mystery. (22)__ we really know is that humans, unlike animals, somehow invented certain sounds to (23) __thoughts and feelings, actions and things, so that they could communicate with each other; and that later they agreed (24)__ certain signs, called letters, which could be (25) __to represent those sounds and which could be written down. Those sounds, whether spoken or written in letters, we call words. The power of words, then (26)__ in their association---the things they bring up before our minds. Words become filed with meaning for us by experience; and the longer we live, the more certain words recall to us the glad and sad events of our past; and the more we read and learn, the more the number of words that mean something to tell us (27)__. Great writers are those who not only have great thoughts but also express these thoughts in words which (28)__ powerfully to our minds and emotions. This charming and telling use of words is what we call literary style. Above all, the real poet is a master of words. (29)__ can convey meaning in words which sing like music and which, by their position and association, can move others to tears. We should, therefore, learn to choose our words carefully and use them (30)__, or they will make our speech silly and vulgar.
Using international phone links, a group of West German hackers took repeated strolls through NASA computers last summer, as well as through several U.S. military networks. NASA spent three months changing passwords and clearing out "trap door" programs that the intruders had planted to give them access. Another German hacker spent nearly two years cruising through unclassified data in U.S. Defense Department and other research computers around the world until he was stopped last year. And last May, NASA's Jet Propulsion Laboratory in Pasadena, California, was invaded by hackers yet to be identified. Even companies with good security have run into a new problem: the computer virus. Like micro-organisms, these replicate and spread. They're tiny bits of software, often quickly written,that hide in larger programs and then pounce unpredictably.