The big economic difference between nuclear and fossilfuelled power stations is that nuclear reactors are more expensive to build and decommission but cheaper to sun So disputes over the relative efficiency of the two systems revolve not just around prices of coal and uranium today and tomorrow but also around the way in which future income should be compared with current income
1 The main difference between nuclear and fossilfuelled power stations is an economic one
TRUE
UNTRUE
CANNOT SAY
2 The price of coal is not relevant to discussions about the relative efficiency of nuclear reactors
TRUE
UNTRUE
CANNOT SAY
3 If nuclear reactors were cheaper to build and decommission than fossilfuelled power stations they would definitely have the economic advantage
TRUE
UNTRUE
CANNOT SAY
At any given moment we are being bombarded by physical and psychological stimuli competing for our attention Although our eyes are capable of handling more than 5 million bits of data per second our brain are capable of interpreting only about 500 bits per second With similar disparities between each of the other senses and the brain it is easy to see that we must select the visual auditory or tactile stimuli that we wish to compute at any specific time
4Physical stimuli usually win in the competition for our attention
TRUE
UNTRUE
CANNOT SAY
5 The capacity of the human brain is sufficient to interpret nearly all the stimuli the senses can register under optimum conditions
TRUE
UNTRUE
CANNOT SAY
6 Eyes are able to cope with a greater input of information than ears
TRUE
UNTRUE
CANNOT SAY
VERBAL ANSWER:
1 C CANNOT SAY
2 B UNTRUE
3 A TRUE
4 C CANNOT SAY
5 B UNTRUE
6 C CANNOT SAY
PartII NUMERCAL TEST
1 Which country had the highest number of people aged 60 or over at the start of 1985
A UK
B France
C Italy
D WGermany
E Spain
2 What percentage of the total 15mm button production was classed as substandard in September
AA 105 BB 13 CC 15 DD 175 EE 20 AB 235 AC 25
AD 275 AE 28 BC 305
3 How many live births occurred in 1985 in Spain and Italy together (to the nearest 1000)
A 104000
B 840000
C 1044000
D 8400000
E 10440000
4 What was the net effect on the UK population of the live birth and death rates in 1985
ADecrease of 66700
BIncrease of 752780
CIncrease of 84900
DCannot Say
EIncrease of 85270
5 By how much did the total sales value of Novembers button production vary from Octobers
A850(Decrease)
B4250(Decrease)
C8500(Increase)
D2750(Decrease)
ENo change
6 What was the loss in potential sales revenue attributable to the production of substandard (as opposed to standard) buttons over the 6 month period
A1375
B2750
C13750
D28000
E27500
图嘛
1:Population Structure 1985
country
population at start of years(millions)
live bitrhs per 1000 population(jandec)
deaths per 1000 population(jandec)
of population at start of year agedunder15
of population at start of year aged60 or over
UK 566 133 118 19 21
France 552 139 100 21 19
Italy 571 11 95 19 19
WGermany 610 96 115 15 20
Spain 386 121 77 23 17
2production of 15mm buttonsjulydec
total(standard and substandard) production(in thousands)
standard production(in thousands)
july 70 60
aug 60 55
sept 85 65
oct 100 80
nov 95 85
dec 100 90
sale price standard 57 per 100
substand285 per 100
答案:
1 D W Germany
2 AB 235
3 C 1044000
4 B Increase of 84900
5 E No change
6 C 13750
声明:图2原张图表刊登特变直观数字
文档香网(httpswwwxiangdangnet)户传
《香当网》用户分享的内容,不代表《香当网》观点或立场,请自行判断内容的真实性和可靠性!
该内容是文档的文本内容,更好的格式请下载文档