高一语法基础练习

　　( 一)

　　Einstein was born in 1879 in Germany. As a child, he was slow ___1__ (learn) to talk. As a pupil, he was backward. ___2__ when he was fourteen years old, he became clever. He ___3__ (teach) himself maths from textbooks. He studied hard because he wanted to be a ___4__ (physic).

　　In 1901, Einstein began teaching. In 1902 he continued his studies at the University of Zurich. Several years later, he formulated(系统地阐述) his famous Theory of Relativity(相对论).To most people the law of relativity is ___5__ (difficulty) to explain. But once Einstein explained ___6__ very well to a group of young students. He said,___7__ you sit with a good girl for two hours, you think it is only a minute. But when you sit ___8__ a hot stove for a minute, you think its two hours. That is relativity.

　　___9__ Hitler came into power in Germany, Einstein went to America. In 1940 Einstein became ___10__ American citizen. In 1955, Einsteins life ended at the age of seventy-six.

　　( 二)

　　Atomic(原子的) energy is a great discovery of the present century, and many people have played a part in its development. Albert Einstein told the world about ___1__ basic idea in his famous Theory of Relativity in 1905. As he and ___2__ scientists began to discover more about the atom, they learned that a great amount of energy could be released(释放) by splitting(分裂) ___3__ atom. ___4__, it was also necessary that this energy be controlled. ___5__ it were not, it would be very dangerous.

　　Now atomic energy is used___6__ (move) ships, and it may also prove ___7__(use) for spaceships. In fact, this new source of power has so many uses that it is almost ___ 8__ (possible) to imagine all the great changes it will bring ___9__ our lives.

　　Some scientists say the world neednt be afraid of a possible ___10__ (short) of coal, oil, natural gas or other sources of fuel for the future. They say that if these were used up, there would be enough of this type of energy to last forever.

　　(三)

　　Albert Einstein was probably the most famous scientist of the twentieth century. He changed ___1__ (science) thinking in the modern world. He is generally considered ___2__ the greatest physicist who ever lived. Whats more, he devoted a lot of his time and energy to ___3__ (work) for human rights and progress.

　　In 1933, ___4__ Einstein was visiting England and the United States, the Nazi government of Germany took all his things away, ___5__ (include) his position and his citizenship. Einstein then settled ___6__ in the United States. In 1939, Einstein, ___7__ loved peaceafraid of a world in which only Hitler would had an atomic bomb(原子弹)___8__ (try) hard to persuade President Franklin D. Roosevelt in a famous letter to have the United States start uranium research. That Germany, after all, had no bomb, ___9__ that the first bomb would fall on Japan, could not have been expected. After the war, Einstein never stopped working for peace and reducing ___10__ number of soldiers in the world.