单项选择题

Summer camps in the area will

A．be designed for foreign visitors.
B．be educational.
C．attract scientists and ecologists.
D．house field labourers and their families.
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单项选择题
The zapovedniks appear
A．eager to support the Nature Park.
B．opposed to outside funding.
C．envious of the Park's success.
D．to have legal jurisdiction of the area.
单项选择题
Oceanographers are concerned because
A．their knowledge of this phenomenon is limited.
B．they believe the oceans are dying.
C．they fear an invasion from outer space.
D．they have identified thousands of alien webs.
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