选择题：某化合物6.4g在氧气中完全燃烧，只生成8.8gCO2和5.4gH2O．下列说法

题型：选择题

This is a web version of October15,2009 which Live Earth emails to members. Click here to join and receive weekly updates from Live Earth

Live Earth is pleased to announce the largest worldwide water initiative(倡议) in history to help fight the global water crisis. The Dow Earth Run for Water-----to take place on April 18,2010----will consist of a series of 6 km run/walks ( the average distance many women and children walk every day to get water ) talking place over the course of 24 hours in countries around the world featuring concers and water education activities, raising awareness and funds to help solve the water crisis. Jessica Biel, Alexandra Cousteau, Pete Wentz, Angelique Kidijo and Jenny Fletcher will lend their time in support of this global event.

Water shortage is a major issure affecting countries, communities and families all over the wold .One in eight people don’t have access to safe,clen drinking water, Communities in Farica,

Latin America and Asia suffer 1.8 million deaths every year from diarrhea diseases and the death of 5,000 children each day due to inadequate(不足) water infrastructure (基础设施) . In these areas, women and children are forced to walk 6 km (3.7 miles ) each day to get water that is likely unsuitable for drinking .However, the water crisis not only limited to developing nations. Adding to these existing issures, the effects of climate change are increasing affecting both supply and quality of available fresh water throughout the world.

In 60﹪of European cities with population greater than 100.000, groundwater is being used faster than it can be replenished{补充}。 By 2025,two-thirds of the world’s population could be living under water__stressed conditions.

You can help solve the water crisis by participating in the April 18th even.Run/walk registration is now officially open! Sign up now at

Thanks and be sure to visit liveearth. Org for the latest water conservation tips and more on The Dow Live Earth Run!

LIVE EARTH

72.Which of the following activities will the Dow Live Earth organize on April 18,2010 ?

A.Receing the latest news from Live Earth.

B.Putting on musical performances.

C.Calling on pop stars to walk 6 km to get water.

D.Lending names and time to support the event.

73. According to the passage , which of the following statements is tue?

A. You can turn to http://live earth.org for water statements is true?

B. Jessica Biel can’t take part in event if she signs up.

C. The information on Live Earth is updated every month.

D. Every year 1.8 million people in the world die from the disease related to water.

74. Which of the following would be the best title for the passage?

A.An Introduction tohe April 18 Event

B. An Email to Live Earth

C.Global Water Crisis Is Becoming Serious

D.Live Earth Announces an Initiative to Water Crisis

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某化合物6.4g在氧气中完全燃烧，只生成8.8gCO2和5.4gH2O．下列说法

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