未知题型 During the 1980s, unemployment(失业人数) and underemployment(不充分就业) in some countries was so high as 90 percent. Some countries did not【B1】enough food; basic needs in housing and clothing were not【B2】. Many of these countries looked【B3】the industrial processes of the developed nations for solution.【B4】, problems cannot always be solved by【B5】the industrialized nations. Industry in the developed nations is highly automated and very【B6】. It provides fewer jobs than labor-intensive industrial【B7】, and highly skilled workers are needed to【B8】and repair the equipment. These workers must be trained,【B9】many nations do not have the necessary training institutions. Thus, the【B10】of importing industry becomes higher. Students must be sent abroad to receive vocational and【B11】training.【B12】, just to begin training, the students must【B13】learn English, French, Germans, or JapanesE.The students then spend many years abroad, and【B14】do not return homE.All nations agree that science and technology should be shareD.The point is: countries【B15】the industrial processes of the developed nations need to look carefully【B16】the costs, be cause many of these costs are【B17】. Students from these nations should【B18】the problems of the industrialized countries closely.【B19】care, they will take home not the problems of science and technology,【B20】the benefits.【B1】A.generateB.boostC.produceD.manufacture

单项选择题 斜坡变形的基本形式主要有拉裂松动和蠕动，破坏的基本形式有崩塌、滑坡和流动。 A、正确 B、错误

未知题型 What does the author think of America's large body of family laws governing children's welfare?A.They fail to ensure children's healthy growth.B.They fail to provide enough support for parents.C.They emphasize parents' legal responsibilities.D.They impose the care of children on parents.

单项选择题 （）外部中断 0 允许中断的 C51语句为 ______。 A. RI=1 B. TR0=1 C. IT0=1 D. EX0=1

未知题型 听力原文：W: Good morning, can I help yon?M: Yes, I'm looking for a Christmas present for my girl frienD.W: So you'd like to choose a dress here?M: But I don't know what's in now?W: How about this white dress? It's a new arrival.M: That's nicE.How much does it cost?W: $250.M: Mmm, I think that's a little expensivE.W: How about the red one? It's 20% off, now just $80.M: Great, I think I'll take this onE.(8)A.In a book storE.B.In a hotel.C.In a grocery.D.In a department storE.

单项选择题 解决一对多配送的最短路线问题时通常可采用( )方法。

多项选择题 利润最大化不是企业最优的财务管理日标，其原因有( )

多项选择题 下列表述中，属于固定资产项F{投资特点的有( )

多项选择题 胎盘的作用包括以下哪几项

未知题型 听力原文： Abraham Lincoln was born in a log cabin in Kentucky on February 12, 1809. When he was a small boy, his family moved to file frontier of IndianA.Here, his mother taught him to read and writE.When Lincoln was a young man, his family moved to the new state of Illinois. Lincoln had to earn a living at an early age, but in his leisure time he studied law. He soon became one of the best known lawyers in the state capital at Springfield, Illinois. It was here that Lincoln became famous for his debates with Stephen A.Douglas on the subject of slavery.In 1860, Lincoln was elected President of the United States. He was the candidate of the new Republican Party. This party opposed the creation of new slave states. Soon after his election, some of the Southern states withdrew from the Union and set up the Confederate States of AmericA.This action brought on the terrible Civil War which lasted from 1861 to 1865.On January 1, 1863, during the war, Lincoln issued his famous Emancipation Proclamation. In 1865, after the war ended, the Thirteenth Amendment was added to the Constitution of the United States. This amendment put an end to slavery everywhere in the United States.Early in 1865, the Civil War came to an end with the defeat of the South by the North. Only a few days after the end of the war, Lincoln was shot by an actor named John Wilkes Booth. The President died on April 14, 1865. In his death, the world lost one of the greatest men of all timE.(26)A.In 1809.B.In 1863.C.In 1865.D.In 1860.