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  3. The top climate scientist at NASA(美国航空航天局)says the Bush administration has t

The top climate scientist at NASA(美国航空航天局)says the Bush administration has t

游客2023-07-08  26
问题     The top climate scientist at NASA(美国航空航天局)says the Bush administration has tried to stop him from speaking out since he gave a lecture last month calling for immediate actions in reducing emissions of greenhouse gases. The scientist, James E. Hansen, said that officials at NASA headquarters had 【B1】______the public affairs staff to review his coming lectures, papers, postings on the Internet and 【B2】______for interviews from journalists. Dr. Hansen said he would【B3】______the restrictions.
    Dean Acosta, deputy【B4】______administrator for public affairs at the space agency, said there was no【B5】______to silence Dr. Hansen. "That’s not the way we【B6】______here at NASA," Mr. Acosta said. "We promote【B7】______and we speak with the facts." He said the restrictions on Dr. Hansen applied to all NASA【B8】______. He added that government scientists were free to discuss scientific findings,【B9】______.
    Dr. Hansen strongly disagreed with this claim, saying such procedures had already prevented the public from fully grasping recent findings about climate change that point to risks ahead.
    【B10】______. At climate laboratories of the National Oceanic and Atmospheric Administration, for example, many scientists who routinely took calls from reporters five years ago can now do so only if the interview is approved by administration officials in Washington, and then【B11】______. [br] 【B11】
选项
答案 only if a public affairs officer is present or on the phone
解析 only if, public affairs officer, present, phone
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