The United Nations was established for the purpose of safeguarding the world from a repeat

rs and grams, the United States has employed English units such as feet and pounds.

M: Both systems are now in use in the U.S. though.

Q: What are the two people most probably discussing？

(18)

A．Weights and measurement.

B．Political system.

C．Employment.

D．Money.

A.are found

B.is found

C.was founded

D.were founded

According to the report of the United Nations, humans should ______ (为全球变暖负责).

ation.()

此题为判断题(对，错)。

United Nations body.

A．Y

B．N

C．NG

Questions that still have to be answered about this new mining venture______.

A．include problems about procedures for obtaining the ore

B．involve estimates of the probable cost

C．may have to be referred to the United Nations

D．include questions about the profitability of the venture

We learn from the passage that the Digital Service Corps initiative ____________

A．was originated by some university professors and students

B．will be made possible by cash and equipment donations

C．will be made to work with the fees paid by students who participate

D．will be funded by the United Nations and some financial agencies

1972 to mark the opening of the Stockholm Conference on the Human Environment. World Environment Day can be celebrated in many ways, including street rallies, bicycles parades, green concerts, essay and poster competitions in schools, tree planting, recycling efforts, clean-up campaigns and much more.

Heads of State, Prime Ministers and Ministers of Environment deliver statements and commit themselves to care for the Earth. World Environment Day, commemorated each year on 5 June is one of the principal vehicles through which the United Nations stimulates worldwide awareness of the environment and enhances political attention and action. The World Environment Day theme selected for 2007 is "Melting Ice—a Hot Topic？" The WED theme selected for 2007 focuses on the effects of climate chan4ge on the polar environment and on the globe in the whole.

The main international celebrations of the World Environment Day 2007 were held in Norway. UNEP is honored that the City of Troms is to host this day.

The day's agenda is to ask human beings to face to environmental issues; empower people to become active agents of sustainable and equitable development; promote an understanding that communities are important to changing attitudes towards environmental, issues; and advocate partnership, which will ensure all nations and peoples enjoy a safer and more prosperous future.

(33)

A．In 1992.

B．In 2000.

C．In 2004.

D．In 1972.