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Massive Growth of Ecotourism Worries Biologists

Something weird is happening in the wilderness. The animals are becoming restless. Polar bears and penguins, dolphins and dingoes, even birds in the rainforest are becoming stressed. They are losing weight, with some dying as a result. The cause is a pursuit intended to have the opposite effect: ecotourism.
1. ______
Ecotourism has clear benefits. Poor countries that are rich in biodiversity benefit from the money tourists bring in, supposedly without damaging the environment. "Ecotourism is an alternative activity to overuse of natural resources," says Geoffrey Howard of the East Africa office of IUCN (the World Conservation Union) in Nairobi, Kenya.
"Many of our projects encourage ecotourism so that rural people can make a living out of something apart from using too much of the forests or fisheries or wetlands."
2. ______
What is not considered are less obvious im

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Something weird is happening in the wilderness. The animals are becoming restless. Polar bears and penguins, dolphins and dingoes, even birds in the rainforest are becoming stressed. They are losing weight, with some dying as a result. The cause is a pursuit intended to have the opposite effect: ecotourism.
1. ______
Ecotourism has clear benefits. Poor countries that are rich in biodiversity benefit from the money tourists bring in, supposedly without damaging the environment. "Ecotourism is an alternative activity to overuse of natural resources," says Geoffrey Howard of the East Africa office of IUCN (the World Conservation Union) in Nairobi, Kenya.
"Many of our projects encourage ecotourism so that rural people can make a living out of something apart from using too much of the forests or fisheries or wetlands."
2. ______
What is not considered are less obvious im

[填空题]Before every concert, she worries about how well she will (performance) ______.

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1. To describe a baby’s growth, the old saying "one thing leads to another" should really read, "one thing leads to an explosion. " The perfection of vision and the ability to hold his head up allow appreciation of visual space. The evolution of increasingly efficient reaching also lets the baby appreciate and participate in his three-dimensional world.
2. You may notice that your baby can grab toys with either hand. This is partly because the baby has learned to grasp an object even if it touches his hand lightly or his eyes are averted. By the end of the fourth month, he can probably alternate hands to grab the toys or transfer a toy from one hand to the other. He may even wave it briskly, then transfer it and repeat the waving, shuttling it back and forth between hands. In imitating the behavior of one hand with the other, the baby may be becoming aware that he can do the same thing with each arm and that each

[填空题]China counts cost of growth
China’s Communist Party, devoted in recent years to expanding the economy at any cost, on Wednesday endorsed a new doctrine of harmony that puts more emphasis on tackling the severe side effects of unrestrained growth.
The annual meeting of the ruling party’s Central Committee formally adopted President Hu Jintao’s proposal to "build a harmonious socialist society," a move that some analysts said marks one of the most decisive shifts since the late paramount leader Deng Xiaoping accelerated the party’s push for high growth rates in the early 1990s.
The leadership declared that a range of social concerns, including the surging wealth gap, corruption, pollution and access to education and medical care, must be placed on a par with economic growth in party theory and government policy.
"There are many conflicts and problems affecting social harmony," the Central Committee said in a statement released after the close of their