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单选题 ________________

A．It can be performed outside a laboratory.
B．It can now be done more efficiently.
C．It no longer involves radioactive elements.
D．It can be used in fields other than geology.

参考答案B

解析: 【预测】选项中重复出现的it Can be以及performed，laboratory，fields和geology表明，本题可能考查it的进展情况或变化，it可能指年代测定技术。
【解析】B。录音中教授提到，之前这项技术需要很长时间才能得到测定结果……但技术的进步减少了需要测试的颗粒数量，所以能更快得到结果，即新的测试技术变得比之前更高效，由此可知，测试效率的提高使这项新技术变得更受欢迎，故答案为B。

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单选题 ________________

A．To explain how the Grand Canyon was formed.
B．To demonstrate how difficult the dating technique is.
C．To disprove a theory about the age of Earth's first mountain ranges.
D．To give another example of how the dating technique might be useful.

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单选题Questions are based on the following passage.
Name-calling and teasing are the main types of classroom bullying (欺负), says a study funded by UNESCO.
However, the study does reveal some___ 26 ___ news. The research in the British part of the programme has found that the problem of bullying in schools has___ 27___ A decade of anti-bullying initiatives has led to the first-recorded drop in the number of victims and a___ 28 ___fall in the number of young bullies. This is the first substantial study to show school bullying on the decrease. The research, being published in the year 2000, was carried out by psychologist Peter Smith of Goldsmith's College, London. The war against violence and name-calling has been so___ 29 ___that Britain is no longer the bullying capital of Europe, showing major improvements in___ 30 ___with other European countries.
The international research shows that there has been a___ 31 ___of at least 72,000 in the number of English teenagers who say they have been bullied, compared with 10 years ago. Meanwhile, the number of perpetrators (作恶者) has more than halved,___32___ from 450,000 to 240,000 over the same period.
Back in 1990, Smith conducted interviews with 7,000 Yorkshire children___ 33 ___between 10 and 16. He found that the proportion of pupils suffering___ 34 ___at the hands of bullies ranged from 16% in West Yorkshire to 13.1% in Sheffield. Last year he___ 35 ___ the exercise, questioning 2,300 pupils from across England. He discovered that only 12.2% of pupils were bullied.
第26题__________

A．accordance
B．aged
C．bad
D．bankrupt
E．comparison
F．decline
G．decreased
H．dramatic
I．good
J．regularly
K．repeated
L．rocketing
M．shrinking
N．successful
O．suddenly

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单选题 第27题__________

A．accordance
B．aged
C．bad
D．bankrupt
E．comparison
F．decline
G．decreased
H．dramatic
I．good
J．regularly
K．repeated
L．rocketing
M．shrinking
N．successful
O．suddenly

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