匡衡好学汉匡衡好学无烛，邻舍有烛而不及①。衡因洞壁引其光，以书映光而读之。邑有文氏者，家富多书，衡乃助其劳作而不求偿。主人怪而问之，
如图是某几何体的三视图，则该几何体是（ ） （第2题） A．球 B．圆柱 C．圆锥 D．三棱柱
We spent many years studying the formation of rocks, experiencing many sufferings．At last, our hard work _______, and we made it． A．paid off B．paid back C．gave away
When I opened the door, I found my father sitting in his chair, completely ______ in a magazine. A. absorbed B. focused C. losing D. occ
After my husband died suddenly from a heart attack，my world crashed around me．My six children were all under 10，and I was burdened with the responsibilities of earning a living，and caring
下列实验现象的描述正确的是（ ） A．铁丝在空气中燃烧火星四射 B．白磷在空气中燃烧生成白色烟雾 C．碳在氧气中燃烧生成黑色固体 D．硫在氧气中
下列词语中没有错别字的一组是 A．平心而论 相濡以沫 开门楫盗 众人拾柴火焰高 B．如出一辙 独辟蹊径 刻骨铭心 事实胜于雄辨 C．莫名其妙 历尽
已知：如图所示，，是的两条半径，且，点 在上，则的度数为（ ） A.45° B.35° C.25° D.20°
中，已知
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