皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
Lesson 7 短听力选择 2 听一遍,选择正确答案
A.
An aircraft mistakenly blocked his way.
B.
ChinaSouthern1347 taxied to a wrong way.
C.
Boeing747 encountered gear problem.
D.
An unreported vehicle was on the Taxiway B
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】用稀释与接种法测定水样BOD5时,培养后样品中剩余溶解氧质量浓度不小于 ( )mg/L。
A.
1
B.
2
C.
3
D.
5
【单选题】In his essay 'The Parable of the Tapeworm,' Mario Vargas Llosa argues that at the heart of the writer's will to write is rebellion, a 'rejection and criticism of life as it is.' Moreover, he speculate...
A.
both of them are portable.
B.
both of them are difficult to govern.
C.
both of them can be used in rebellion.
D.
both are them are highly influential.
【单选题】毛细血管搏动征阳性提示
A.
严重贫血
B.
右心衰竭
C.
主动脉瓣关闭不全
D.
肝大
E.
缩窄性心包炎
【单选题】In his essay 'The Parable of the Tapeworm,' Marlo Vargas Llosa argues that at the heart of the writer' s will to write is rebellion, a 'rejection and criticism of life as it is.' Moreover, he speculat...
A.
both of them are portable
B.
both of them are difficult to govern
C.
both of them can be used in rebellion
D.
both are them are highly influential
【单选题】稀释与接种法测定水样中BOD5时,对稀释水的要求错误的是( )
A.
控制水温(20±1)℃
B.
使用前加入一定量四种盐溶液混匀
C.
溶解氧达到饱和
D.
稀释水的pH值应在6.5-7.5之间
E.
稀释水BOD5的测定结果不超过0.5mg/L
【简答题】稀释与接种法测定水中BOD5时,如水样为含难降解物质的工业废水,可使用()的稀释水进行稀释。
【单选题】In his essay 'The Parable of the Tapeworm,' Mario Vargas Llosa argues that at the heart of the writer's will to write is rebellion, a 'rejection and criticism of life as it is.' Moreover, he speculate...
A.
both of them are portable.
B.
both of them are difficult to govern.
C.
both of them can be used in rebellion.
D.
both are them are highly influential.
【单选题】《信访条例》是国务院在那一年通( )。
A.
2005年
B.
2006年
C.
2007年
D.
2008年
【单选题】网络服务提供者和其他企业、事业单位在业务活动中收集、使用公民个人电子信息时,应当遵循的原则中不包括()
A.
合法
B.
正当
C.
必要
D.
充分
【单选题】用稀释与接种法测定水样BOD5时,若样品中含有硝化细菌,需在试样培养液中加入( )。
A.
磷酸盐缓冲溶液
B.
CaCl2
C.
盐酸溶液
D.
丙烯基硫脲溶液
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题