choice‖, includes Environment and Health as one of the four main target areas requiring greater effort — and air pollution is one of the issues highlighted in this area. The Sixth EAP aims to achieve the level of air quality that does not result in unacceptable impacts on, and risks to, human health and the environment.

The EU is acting at many levels to reduce exposure to air pollution: through EU legislation, through work at international level to reduce cross-border pollution, through co-operation with sectors responsible for air pollution, through national, regional authorities, and through research. The Clean Air For Europe（CAFE）initiative has led to a thematic strategy setting out the objectives and measures for the next phase of European air quality policy.

59．Which of the following human activities is attributed to lung disease?

A. Driving cars. B. Cycling.

C. Producing of junk food. D. Cutting tress.

60．How many measures has the EU been taking to improve air quality since the early 1970s? A.1.

B. 2.

C. 3.

D. 4.

61．From the third paragraph we can know that . A. air pollution can cause ozone to increase in the air

B. air pollution is the hardest problem for EU to tackle

C. the decrease of ozone in the air to a limit can cause summer smog

D. fine particulates are another kind of pollution harmful to people‘s health

62．What‘s the objective that the Sixth EAP wants to get in 2010?

A. Greater effort should be put into the Environment

B. Air quality can be acceptable to human health and the environment.

C. Four main target areas should be put more efforts to deal with.

D. Air pollution will become one of the four areas.

63．Which of the following statements is the main idea of the last paragraph?

A. The EU takes every possible measure to fight against air pollution.

B. The EU unites with other organizations to fight against air pollution.

C. The EU requires strengthening international cooperation

D. The EU is acting at many levels to reduce exposure to air pollution.

D

It may not have a funny bone. But that hasn‘t stopped one robot from developing a sense of humor. Scientists have created the first software program that can tell the difference between ordinary conversation and surprising puns（双关语）.

Previous attempts to get machines to understand jokes have largely failed because humor is so subjective and complex, making it difficult to program. But psychologists have argued that intelligent computers and robots acting as human helpers will need to understand complex puns in order to communicate and appear friendlier.

The ―joke bot‖, as it has been named, recognizes simple jokes by working out how the words in a sentence are related to one another. If it decides a word does not fit in with its surroundings, the computer searches a pronunciation guide for the same or similar sounding terms. If any of those fit, it decides the passage is a joke.

In one test, it was shown the following passage: ―Mother: ?Mike, you‘ve been working in the garden a lot this summer.‘ Son: ?I have to because my teacher told me to weed a lot.‘‖ The software realizes that ―weed‖ makes sense in the context of ―working in the garden‖ but has no place in the same sentence as the words ―teacher told me‖. Since ―weed‖ sounds similar to ―read‖, it can find this wordplay.

Julia Taylor, researcher of the University of Cincinnati, Ohio, who designed the program with her colleague Lawrence Maz1ack, told New Scientist that the team were now trying to make the machine understand more complex versions of humour, including sarcasm（讽刺）and irony.

―If you‘ve been in a car accident, you probably won‘t find a joke about a car accident funny,‖ she added.

64．What is the difficulty in making machines understand jokes?

A. Machines don‘t have a funny bone.

B. Jokes are too difficult to understand for people.

C. Humor is the kind of mental product.

D. Human technology is not advanced at all.

65．What can the ―joke bot‖ do?

A. It can find a joke in a car accident.

B. It can judge whether a passage is a joke.

C. It can tell a joke to humans.

D. It can design a difficult joke program.

66．Why did the software decide the dialogue between mother and son as a joke?

A. Because there are the same sounding terms ―a lot‖.

B. Because it found the words were related to each other.

C. Because it recognized a word didn‘t fit in with its surroundings.

D. Because it was a dialogue between mother and son.

67．The subject discussed in the passage is .

A. the robot that appears friendly to humans

B. the robot that helps human communicate

C. the robot that is intelligent

D. the robot that can understand pun

E

Events Calendar

TUESDAY

Landscape Pests（虫子）

Learn to identify, control and prevent seasonal landscape-disease and landscape-pest problems at the workshop, 3:30 pm-5 pm. Tuesday at the US National Arboretum,3501 New York Ave NE, Washington, $15; registration required.

202-245-4521 or www.usna.usda.gov.

THROUGH AUG.3

Horticultural（园艺的）Art

Watercolors, pen-and–ink drawings and colored-pencil pieces by the Brookside Gardens Schoo1 of Botanical Art and Illustration will be on display at the exhibit Botanica 2007: the Art and Science of Plants at Brookside Gardens Visitors Center, 1800 Glena11an Ave, Wheaton, through Aug. 3. Free. 301-962-1400 or www.brooksidegardens.org.

THROUGH SEPT.9

Botanical（植物学的）Art

Visit Patterns in Nature, an exhibit by Amy Lamb featuring photographs of flowers, leaves and other botanical life, at the US Botanic Garden Conservatory, West Orangery, 100 Maryland Ave SW, Washington, through Sept. 9. The conservatory is open 10 am-5 pm daily. Free. 202-225-8333.

THROUGH OCT.8

Botanic Garden Exhibit

Celebrating America‘s Public Gardens is on view through Oct. 8 at the US botanic Garden, 100 Maryland Ave SW, Washington. The exhibit, on the Conservatory Terrace and in the National Garden, features displays of 20 public botanic gardens across the country. Hours are 10 am-5 pm daily. Free. 202-200-8956.

68．If you want to record your name for an event in advance, you may call .

A．202-225-8333 C．301-962-1400

B．202-245-4521

D．202-200-8956

69．If you go to Botanic Garden Exhibit, you . A．can enjoy drawings and colored-pencil pieces

B．can learn how to kill pests living on the plants

C．can find displays of 20 botanic gardens across the country

D．will enjoy the photographs of flowers and leaves

70．From the advertisement, we learn .

A．the first event is about growing healthy plants

B．all of the events are free of charge

C．there is no time limit to all the events

D．you can find all the information of the events either by phone or e-mail

第二卷（共一部分，满分25分）

第四部分 书面表达（满分25分）

第一节 完成句子（共10小题；每小题1.5分，满分15分）

阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。

71. It was in 1976 _______________（我们才开始引进）this new technique.（bring）

72．_______________（他一定受益了） a lot from the experience of studying abroad, because his oral English has been improved greatly. （benefit）

73. ______________（没必要担心） even if you have never skied before.（need）

74. China has been ____________ （扮演着重要的角色） in maintaining international peace and security.（role）