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铝热焊砂模安装作业时，下列说法正确的是（）。
为患者清洁皮肤应选用（）
流行病学研究表明，牙周炎是成年人的疾病，患病率及严重程度随年龄增高而增加。重度牙周炎患病率占人群的（）
南丰蜜桔
疟原虫一般寄生在胃肠道
在下列项目经济效果评价指标中，属于项目经济效果动态评价指标的有（）
甲公司采取施工总承包方式将一建设工程发包给乙公司，乙公司又将该工程中的液氨罐区安装工程分包给丙公司，将供水工程分包给丁公司，依据《建设工程安全生产管理条例》的规定，对该建设工程安全生产负总责的单位是（）。
影响企业产品定价的主要因素有哪些？常见的定价方法有哪几种？
九大行星中不属于类地行星的是：（）
改革开放以来，我们党对公有制认识上的一个重大突破，就是明确了公有制和公有制的实现形式是两个不同层次的问题。公有制的实现形式是指资产或资本的（）
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I was always taught that it was ______ to interrupt.
I was always taught that it was ______ to interrupt.
I was always taught that it was ______ to interrupt.
She is an excellent teacher who has taught in four schools. ______ she taught, h...
She is an excellent teacher who has taught in four schools. ______ she taught, h...
She is an excellent teacher who has taught in four schools. ______ she taught, h...
I am so sorry to interrupt you again.（）
I am so sorry to interrupt you again.（）
Which of the following is NOT taught in schools?
It is（）to interrupt the others while they are talking.