题目: 根据营养方式的不同,可将鞭毛纲分为()和()两个亚纲。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0728/7f278f19f4acaf4efb98ae5d4ac15d59.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:选择题 下列说法中,正确的是A.0.l mol/L醋酸钙溶液中,c(Ca2+)>c(CH3COO-)>c(OH-)>c(H+)B.等体积等pH的NH4Cl溶液、盐酸,完全溶解少量且等同的锌粉,前者用时少C.将n mol H2(g)、n mol I2(g)和2n mol H2 (g)、2n mol I2(g)分别充入两个恒温恒容的容器中,平衡时H2的转化率前者小于后者D.某物质的溶液中由水电离出的c(H+)=1×10-a mol·L-1,若a>7时,则该溶液的pH一定为14-a 查看答案
题型:单项选择题 下列关于处方药管理规定的说法中,正确的是A.可以采取开架自选销售方式B.部分处方药可以不凭处方销售C.可以在大众传播媒介进行广告宣传D.可以采取网上零售的方式销售E.经营处方药必须具有《药品经营许可证》 查看答案
题型:单项选择题 Flow control is a function that prevents network congestion by ensuring that (1) do not overwhelm (2) with data. There are three commonly used methods for handling network congestion. (3) is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (4) are used by receiving devices to help prevent their buffers from overflowing. (5) is a flow -control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.5()A.BufferB.Source-quench messagesC.BufferingD.Windowing 查看答案