第7题: [单项选择]Steamboats began to sail up and down the Mississippi River at the beginning of the 19th century, which contributed a lot the areas along the river. A. to develop B. to being developed C. to be developed D. to developing 参考答案:D 答案解析:[分析]本题考查动词与介词搭配。本句是非限定性定语从句,which指代前句,从句中contribute与介词to搭配,后接动名词,而且沿河地区与发展是动宾关系,所以应选D.to developing。
第10题: [单项选择]三焦经的郄穴是: A. 温溜 B. 梁丘 C. 养老 D. 阳池 E. 阳交 参考答案:D
第11题: [单项选择]桑螵蛸与海螵蛸共同的功效是()。 A. 固表止汗 B. 固精止遗 C. 益脾止泻 D. 敛肺止咳 E. 止血止带 参考答案:B 答案解析:桑螵蛸功效:固精缩尿,补肾助阳。主治病证:遗精滑精,遗尿尿频,白浊;肾虚阳痿。海螵蛸功效:固精止带,收敛止血,制酸止痛,收湿敛疮。主治病证:遗精,带下;崩漏,吐血,便血及外伤出血;胃痛吐酸;湿疮,湿疹