To supplement high school AP-prep classes, the Web site compiles material relevant to all three subjects, including video clips, exam questions, and practice problems.

作为对原有内容的补充，课程计划网站编辑整理了诸如视频剪辑、考试真题和练习题等与这三科相关的内容。

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Men operating a bicycle crank pump refuel cars at the site of a gas station in the earthquake- and tsunami-destroyed town of Minamisanriku, northeastern Japan. (AP Photo/David Guttenfelder)

日本东北部，被地震和海啸摧毁的南三陆町市。人们在一个加油站边运行一个脚踩曲轴泵给汽车加油。

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Methods Recording the number of licking responses and determining the histamine content in the blood and in the skin of 4-aminopyridine (4-AP )-injected site after the induction by 4-AP injection.

方法用4 氨基吡啶（4 AP）诱发小鼠舔体反应与肥大细胞释放组胺，记录小鼠的舔体反应，并测定小鼠注射4 AP局部皮肤与血中组胺含量。

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But railway spokesman Jayant Sharma told AP news agency that the accident site had occurred outside the state's elephant corridor.

BBC: Elephants killed by speeding train in India

On Wednesday the AP printed a story based on a fake press release sent from a site designed to mirror the look and feel of a real corporate newsroom, even down to the logo.

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This ap was developed by Allegra Fisher, Megann Mielke, John Marc Imbrecia, Andrew Hill at the New York hackathon site.

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