公共场所空气中细菌总数的检测采样可采用A．温差迫降法 B．静电沉着法 C．撞击法 D 发布时间：2023-05-29 02:51 │ 来源：www.tikuol.com 题型：多项选择题 问题： 公共场所空气中细菌总数的检测采样可采用A．温差迫降法B．静电沉着法C．撞击法D．过滤阻留法E．沉降法
题型：多项选择题 短文填空。prefer, watch, enough, do, taste, interesting, if, make, be bad for, but, A well-balanced diet is very important because it keeps us fit and healthy. Too many sweets and too much soft drink __1__our health. We might have a stomachache or lose our appetite (食欲) __2__ we have too many snacks at one time. I __3__ fruit to snacks because fruit gives us vitamins (维生素). Apples, mangoes, strawberries are my favorite fruit because they __4__ good. Also, I prefer fruit juice to soft drink. My mother always __5__ juice for me. To keep us healthy, a well-balanced diet is not __6__. We should also do exercise regularly. I am interested in running, __7__ my brother finds it boring. He thinks playing basketball is more __9__. He prefers playing basketball to running. He is always excited in playing basketball. Although I do not find it so exciting, I enjoy __9__ my brother play. Although my brother and I like different things, we both prefer __10__ sports to playing computer games. We think it is too boring to sit in front of the computer. 查看答案
题型：多项选择题 对1945-1975年间1000名从事油漆镭盘的表厂女工，与从事电话员工作的1000名妇女的骨癌发生情况进行对比，其间从事油漆镭盘的工人中发生了20例，电话员中发生了4例骨癌。从事油漆镭盘工人发生骨癌的相对危险度是（）A.2B.4C.8D.5E.由上述资料不能计算 查看答案
题型：多项选择题 企业在资产负债表日不能可靠地估计所提供劳务的交易结果，应按照已经发生的劳务成本预计能够得到补偿，应按已经发生的劳务成本金额确认收入；同时，按相同的金额结转成本，不确认利润。( ) 查看答案