[单项选择]玻璃离子水门汀的粘结性能,是由于 A. 每个钙离子在玻璃粉表面取代了一个磷酸盐基团和一个羧酸盐基团 B. 每个磷酸盐基团在玻璃粉表面取代了一个羧酸盐基团和一个钙离子 C. 每个磷酸盐基团在玻璃粉表面取代了一个醋酸基团和一个钙离子 D. 每个羧酸盐基团在玻璃粉表面取代了一个磷酸盐基团和一个钙离子 E. 每个醋酸基团在玻璃粉表面取代了一个磷酸盐基团和一个钙离子
第21题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He is working in a hospital. B. He is doing business with his brother now. C. He is going to graduate from college in July. D. He is going to do business with his brother. 参考答案:B 答案解析:[听力原文]
W: Are you still working in the hospital
M: Not since July. My brother and I went into bus
第32题:[多选题]国际兽医证书的一般格式分为:_____。 A.Details of dispatched consignment B.Zoosanitary information C.The information on commodity processing D.Declaration of export establishment 参考答案:AB 《OIE陆生动物卫生法典》5.10
第35题: [单项选择]当归芍药散能够治疗()。 A. 肾阳亏虚,寒邪凝滞于下的妊娠腹痛证 B. 冲任虚寒,瘀血内停胞宫的妊娠下血证 C. 瘀血阻滞,寒湿痰浊凝滞的妊娠下血证 D. 肝脾失调,气郁血滞湿阻的妊娠腹痛证 E. 血虚热郁,膀胱湿热蕴结的妊娠小便难 参考答案:D 答案解析:当归芍药散中,芍药养血柔肝,缓急止痛;当归养血活血,川芎行血中之气,茯苓白术健脾除湿,泽泻渗湿,诸药合用,共奏养血疏肝,健脾利湿的功效,因此其治疗的应当是肝脾失调,气郁血滞湿阻的妊娠腹痛证。