学习障碍是指从发育的早期阶段起，儿童获得学习技能的正常方式受损。这种损害不是单纯缺乏学习机会
A．小华原本学习优秀，随父母移居国外后由于听课困难，学习成绩大幅下降B．九岁的小强刚从国外回来，不能识别简体字，在阅读学习材料时面临不少困难C．小明的成绩不好，三年级时接受了专业的智力测验，结果发现他的智力只相当于六岁儿童的水平D．小红聪明可爱，但上学之后读书时常出现跳行跳字的现象，虽经老师多次纠正但她仍然难以改正
B．九岁的小强刚从国外回来，不能识别简体字，在阅读学习材料时面临不少困难C．小明的成绩不好，三年级时接受了专业的智力测验，结果发现他的智力只相当于六岁儿童的水平D．小红聪明可爱，但上学之后读书时常出现跳行跳字的现象，虽经老师多次纠正但她仍然难以改正
C．小明的成绩不好，三年级时接受了专业的智力测验，结果发现他的智力只相当于六岁儿童的水平D．小红聪明可爱，但上学之后读书时常出现跳行跳字的现象，虽经老师多次纠正但她仍然难以改正
D．小红聪明可爱，但上学之后读书时常出现跳行跳字的现象，虽经老师多次纠正但她仍然难以改正
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The idea of humanoid robots is not new, of course. They have been part of the imaginative landscape ever since Karl Capek, a Czech Writer, first dreamed them up for his 1921 play "Rossum"s Universal Robots". (The word "robot" comes from the Czech word for drudgery, robota.) Since then, Hollywood has produced countless variations on the theme, from the sultry False Maria in Fritz Lang"s silent masterpiece "Metropolis" to the wittering C3PO in "Star Wars" and the ruthless assassin of "Terminator". Humanoid robots have walked into our collective subconscious, colouring our views of the future. But now Japan"s industrial giants are spending billions of yen to make such robots a reality. Their new humanoids represent impressive feats of engineering: when Honda introduced Asimo, a four-foot robot that had been in development for some 15 years, it walked so fluidly that its white, articulated exterior seemed to conceal a human. Honda continues to make the machine faster, friendlier and more agile. Last October, when Asimo was inducted into the Robot Hall of Fame in Pittsburgh, it walked on to the stage and accepted its own plaque. At two and a half feet tall, Sony"s QRIO is smaller and more to like than Asimo. It walks, understands a small number of voice commands, and can navigate on its own. If it falls over, it gets up and resumes where it left off. It can even connect wirelessly to the internet and broadcast what its camera eyes can see. In 2003, Sony demonstrated an upgraded QRIO that could run. Honda responded last December with a version of Asimo that runs at twice the speed. In 2004, Toyota joined the fray with its own family of robots, called Partner, one of which is a four-foot humanoid that plays the trumpet. Its fingers work the instrument"s valves, and it has mechanical lungs and artificial lips. Toyota hopes to offer a commercial version of the robot by 2010. This month, 50 Partner robots will act as guides at Expo 2005 in Aichi, Japan. Despite their sudden proliferation, however, humanoids are still a mechanical minority. Most of the world"s robots are faceless, footless and mute. They are bolted to the floors of factories, stamping out car parts or welding pieces of metal, machines making more machines. According to the United Nations, business orders for industrial robots jumped 18% in the first half of 2004. They may soon be outnumbered by domestic robots, such as self-navigating vacuum cleaners, lawn mowers and window washers, which are selling fast. But neither industrial nor domestic robots are humanoid.
A．in 2004.B．in 2005.C．between 2003-2004.D．between 2004-2005.
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某企业某年末有关明细科目余额如下：“应付账款——甲”贷方余额30万元，“应付账款——乙”借方余额2万元，“预付账款——丙”借方余额10万元，“预付账款——丁”贷方余额1万元。该企业该年末资产负债表中“应付账款”项目和“预付账款”项目的年末数分别是（）万元。
A.28和9
B.29和8
C.31和12
D.32和11
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