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EVENTS Bicycle tour and race A bike tour and race will be held on August 26 and 27 (Sat & Sun.).  At 5:30 am, the riders will leave Tian'anmen Square and ride the first 35 kilometres as a training leg. Then the next 55-kilometre-leg. from Yanjiao to Jixian. will be the first competitive part of the tour. The riders and their bikes will then be takern from Jixian   to Changli. The second racing leg of the tour will be from Changli to the seaside of Nandaihe, covering a distance of 20 kilometres.  Saturday night includes the stay at Nandaihe and supper. Sunday morning is free for play at the seaside. At noon all the people and their bikes will be taken back to Beijing. Cost: 200 yuan          Telephone: 4675027 Brazilian footballers The Brazilian Football Club will play Beijing Guo'an Team at the Workers Stadium on August 26. The club has four national team players. Also coming is 1994 US World Cup star Romario who has promised to play for at least 45 minutes. Ticket prices: 60; 100; 150 yuan Time/Date: 4:30 pm, August 26 (Sat. )   Telephone: 5012372 Rock climbing The Third National Rock Climbing Competition will be held on August 26-27 at the Huairou Mountain-climbing Training Base. More than 10 teams from Beijing, Wuhan, Dalian, Jilin and other places will take part in it. A Japanese team will give an exhibition climbing. Free for spectators(观众). Take a long-distance bus from Dongzhimen to Huairou. Time/Dates: 9-12 am, August 26 and 27 Telephone: 7143177, 7144850, Wang Zhenghua 小题1:The main purpose of announcing the above events is to give information about_________. A.visiting teams B.famous players C.things to do for the weekend D.prices to pay for the sports events 小题2:If you take part in the bike tour. you will ride for ________. A.35 kilometres B.55 kilometres C.75 kilometres D.ll0 kilometres 小题3:The underlined word 'leg' in 'Bicycle tour and race' probably means_______. A.race B.practice C.part of the training D.part of the tour 小题4:What is special about the rock climbing competition? A.A foreign team takes pan in it. B.You can watch it without paying. C.You don't have to be a sportsman to take part. D.The bus trip to the place of the competition is free. 小题5:If you want to find something to do for Saturday aftermoon, which telephone number will you call? A.4675027 B.7143177 C.5012372 D.7144850
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【单选题】在Photoshop中当我们使用画笔工具时按什么键可以对画笔图标进行转换
A.
Ctrl键
B.
Alt键
C.
tab键
D.
capslock键
【单选题】中和滴定是一种操作简单,准确度高的定量分析方法。实际工作中也可以利用物质间的氧化还原反应、沉淀反应进行类似的滴定分析,这些滴定分析均需要通过指示剂来确定滴定终点,下列对几种具体的滴定分析(待测液置于锥形瓶内)中所用指示剂及滴定终点时的溶液颜色的判断不正确的是
A.
用标准NaOH溶液滴定盐酸溶液以测定其浓度:酚酞试液——浅红色
B.
用标准FeCl 3 溶液滴定KI以测定其浓度:淀粉溶液——蓝色
C.
用标准酸性KMnO 4 溶液滴定Na 2 SO 3 溶液以测定其浓度:KMnO 4 溶液——紫红色
D.
利用“Ag + +SCN - =AgSCN↓”原理,用标准KSCN溶液滴定AgNO 3 溶液以测定其浓度:FeCl 3 溶液——红色
【简答题】My family is not very large. There are only three cats. I’m a white cat. People call me Snow-white. My husband is a black cat. People call him Captain Black Cat. ( 黑猫警长 ) We have a beautiful daughter....
【单选题】第五套人民币100元背面人民大会堂上方图案采用_____油墨印刷。
A.
无色荧光
B.
有色荧光
C.
磁性
D.
红外吸收
【单选题】氧化还原滴定指示剂说法错误的 是( )
A.
KMnO 4 过量半滴,溶液呈淡色为终点。
B.
高锰酸钾是一种自身氧化还原指示剂。
C.
直接碘量法是蓝色消失,间接碘量法是蓝色出现。
D.
碘量法中淀粉与 I 2 生成一种蓝色化合物,借蓝色指示终点。
【单选题】当我们使用画笔工具时,按什么键可以对画笔的图标进行切换?( )
A.
Ctrl
B.
Alt
C.
Tab
D.
CapsLock
【单选题】当我们使用画笔工具时,按什么键可以对画笔的图标进行切换()
A.
ctrl
B.
alt
C.
tab
D.
CapsLock
【简答题】KMnO 4 法是氧化还原滴定法中的一种,该法采用 _________ 作标准溶液。 这种溶液用间接配制法配制,常用基准物质 标定,在滴定中使用_________作指示剂。
【单选题】中和滴定是一种操作简单,准确度高的定量分析方法.实际工作中也可利用物质间的氧化还原反应、沉淀反应进行类似的滴定分析,这些滴定分析均需要通过指示剂来确定滴定终点,下列对几种具体的滴定分析(待测液置于锥形瓶内)中所用指示剂及滴定终点时的溶液颜色的判断不正确的是(  )
A.
用标准酸性KMnO 4 溶液滴定Na 2 SO 3 溶液以测量其浓度:KMnO 4 --紫红色
B.
利用“Ag + +SCN - ═AgSCN↓”原理,可用标准KSCN溶液测量AgNO 3 溶液浓度:Fe(NO 3 ) 3 --红色
C.
利用“2Fe 3+ +2I - ═I 2 +2Fe 2+ ”,用FeCl 3 溶液测量KI样品中KI的百分含量:淀粉--蓝色
D.
利用OH - +H + ═H 2 O来测量某盐酸溶液的浓度时:酚酞--浅红色
【判断题】当我们使用画笔工具时,按CapsLock键不可以实现画笔与铅笔工具之间的切换。
A.
正确
B.
错误
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