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问题 单项选择题

按住下列哪个键单击图像窗口下方的状态显示栏会弹出数字框显示当前图像的高度、宽度、通道的数量和图像的分辨率？（）

A、Command键（MaC./Ctrl键（Win）

B、Option键（MaC./Alt键（Win）

C、Shift键

D、Tab键

答案

参考答案：B

选择题
如图表示一交流电的电流随时间而变化的图象，此交变电流的有效值是（　　）

A．5A

B．5A

C．3.5A

D．3.5A
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阅读理解
信息匹配：阅读下列应用文及相关信息，并按照要求匹配信息。
请阅读下列交通卡的信息：
                             A
                      City Card
●for all trains and buses within the city
(London)
●free travel for all journeys
●can be used for 30 days
●￡80 		                               B
                      Network Card
●for long-distance trains and city trains
(London)
●25% off all tickets
●can be used for 12 months
●￡70
                             C
                Point-to-Point Card
●for long-distance trains and buses only
●50% discount on all journeys
●can be used for 12 months
●￡70


                               D
                   Concession Card
●for all trains and buses within the city
(London)
●free city travel for students (under 21
years of age) and retirees (over 60 years
of age) only
●can be used for 30 days
●￡25
                             E
                      Group Card
●for long-distance trains only
●50% off all train journeys for 4 people
(2 adults and 2 children)
●can be used for 90 days
●￡130 		                              F
                      Daily Card
●for all trains and buses within the city
(London)
●free travel for all journeys
●can be used for 24 hours
●￡8
请阅读下列购买者的信息，然后买者拟购买的交通卡：
( )1. Margaret-is a 65-year-old retired woman who lives in Glasgow, Scotland and visits her sister in
London four times a year. She usually takes the long-distance train on these journeys and the normal return
train fare is ￡50.
( )2. Bill-is a student living in London and needs to catch the bus to and from university every weekday.
The normal cost of the fare is ￡3 each way.
( )3. Robert-will visit London for l day with his family (wife and 2 daughters) and plans to use the public
transport system to see as much of the city as possible. According to his plan they will be catching at least
5 buses or trains that day. Average cost of each fare is ￡3 per person.
( )4. Jill is a 40-year-old mother who lives in West London and has to travel to the city centre for work
each day. To get there she needs to catch a bus to the train station then board the train to work Average cost
of each ticket is ￡3.
( )5. Albert-is a salesman who mainly visits his customers in the city but must also travel to other parts of
the country at least twice each month He prefers to travel by train.
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