[填空题]Anyone who sees a special type of airplane with its turning wings knows it is a helicopter’s. One of the helicopter’s most important{{U}} (36) {{/U}}is its ability to fly as slowly as it likes. It can do more than that. It can move{{U}} (37) {{/U}}, {{U}} (38) {{/U}}and sideways. It can also stay in the air without{{U}} (39) {{/U}}at all. Above all it can move up and down in a completely {{U}} (40) {{/U}}line: the ability to take off and land is the most{{U}} (41) {{/U}}For in this way it can deliver goods and{{U}} (42) {{/U}}to places which could not possibly be reached by{{U}} (43) {{/U}}planes, It can land in a very small field. It can land on a road or on a small ship.{{U}} (44) {{/U}}They are used for loading ships and for building things of all kinds. The big oil companies use them for sending supplies to men scathing for oil under the sea. {{U}} (45) {{/U}}Every day somewhere in the world lives are saved by helicopters. {{U}} (46) {{/U}}Ordinary airplanes canno

[填空题]Anyone who sees a special type of airplane with its turning wings knows it is a helicopter’s. One of the helicopter’s most important{{U}} (36) {{/U}}is its ability to fly as slowly as it likes. It can do more than that. It can move{{U}} (37) {{/U}}, {{U}} (38) {{/U}}and sideways. It can also stay in the air without{{U}} (39) {{/U}}at all. Above all it can move up and down in a completely {{U}} (40) {{/U}}line: the ability to take off and land is the most{{U}} (41) {{/U}}For in this way it can deliver goods and{{U}} (42) {{/U}}to places which could not possibly be reached by{{U}} (43) {{/U}}planes, It can land in a very small field. It can land on a road or on a small ship.{{U}} (44) {{/U}}They are used for loading ships and for building things of all kinds. The big oil companies use them for sending supplies to men scathing for oil under the sea. {{U}} (45) {{/U}}Every day somewhere in the world lives are saved by helicopters. {{U}} (46) {{/U}}Ordinary airplanes canno

[填空题]Anyone who has followed recent historical literature can testify to the revolution that is taking place in historical studies that currently fashionable subjects come directly from the sociology catalog: childhood, work, leisure. The new subjects are accompanied by new methods. Where history once was primarily narrative, it is now entirely analytic. The old questions "What happened" and "How did it happen" have given way to the question "Why did it happen" 46) Prominent among the methods used to answer the question "Why" is psychoanalysis, and its use has given rise to psychohistory. 　　Psychohistory does not merely use psychological explanations in historical contexts. Historians have always used such explanations when they were appropriate and when there was sufficient evidence for them. But this practical use of psychology is not what psychohistorians intend. They are committed, not just to psychology in general, but to Freudian psychoanalysis. This commitment prevents a commitment

[填空题]Who needs the help of Ibas
Anyone who ______.

[单项选择]

A Anyone who cares about what schools and colleges teach and how their students learn will be interested in the memoir(回忆录) of Ralph W.Tyler, who is one of the most famous men in American education. Born in Chicago in 1902, brought up and schooled in Nebraska, the 19-year-old college graduate Ralph Tyler became hooked on teaching while teaching as a science teacher in South Dakota and changed his major from medicine to education. Graduate work at the University of Chicago found him connected with honorable educators Charles Judd and W. W. Charters, whose ideas of teaching and testing had an effect on his later work. In 1927, he became a teacher of Ohio State University where he further developed a new method of testing. Tyler became well-known in 1938, when he carried his work with the Eight-Year Study from O-hio State University to the University of Chicago at the invitation of Robert Hutchins. Tyler was the first director of the Center for Advanced Study in the Behavioral Scien
A. attracted to teaching
B. tired of teaching
C. satisfied with teaching
D. unhappy about teaching