Force Force is a kind of mechanical action between different objects, it tends to change the shape, volume or movement state of the object with a force upon it. Force is a vector quantity, and thus possesses both magnitude and direction; it can be represented by an arrow whose length specifies the magnitude and whose

I. Vocabulary and Structure 1. You ought to go out without a raincoat on such a rainy day [A]make better than [B]know better than [C]get the best out of []have the best of

Part I. Vocabulary and Structure(30%): 1 who lays down his life for his country. A)There is no so greater love as that of a man B)There is no as greater love as that of a man

1. For our English homework we have to write a paper. A three-thousand-word B. three-thousands-word C. three-thousand-words d. three -thousands-word 2. Jack English in the university for 30 years by the end of next mon A. will teach B. had taught C will have taught D. has taught

A function is a term used in mathematics and logic to denote a relationship between input and output variables. Each variable is restricted to binary (0, 1) values The relationship is the complex of three primitive functions (And \\Not\\Or)

Complete each of the following sentences with the most likely answer. (25 points) 1. The teacher explained the point a second time, but everyone understand A. not even then does B. even then not did C. not even then did d. not even then 2. All flights because of the storm, they decided to go to Beijing by train. A. having been canceled B had been canceled C having canceled D. were canceled

1. My sister spends studying so that she might later get a better job [A most of her times B her most times [C]her most time [D] most of her time 2. We got down to business as soon as we each othe [A ]had introduced to [B] had been introduced to

Test Paper One Part I Listening Comprehension (20 minutes) Section A Directions In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. both the conversation and the question will be spoken only once. After each question there will be a pause during the pause you must read the

The From The Economist print edition One of the world's main currencies is heading for a fall Get article background THE world has a new international currency: frequent-flyer miles. Launched exactly 21 years ago, they are a lot like money. Collectors check their mileage statements as

For many years a huge Manila garbage dump known as Smokey Mountain was a favorite media symbol of Third World poverty. Several thousand men, women, and children lived on that dump--enduring the stench, the flies, and the toxic waste in order to make a living combing the garbage for scrap metal and other recyclables. And they lived there voluntarily, because the $10 or so