Foreign movies won' t be dubbed into major language when ______.
A. there are not many audiences
B. all the audiences know that foreign language
C. the audiences don' t like it very much
D. the language spoken on-screen is English
发达资本主义国家的贸易保护所采取的最多的方法是( )
A. 价格竞争
B. 关税避垒
C. 国际对冲基金
D. 非关税避垒
经济衰退时，需求曲线所呈现的变动是( )
A. 向右上方移动
B. 变得更陡
C. 向左下方移动
D. 变得更平缓
Based on the information in the passage, what can be inferred about X-ray microscopes in the future
A. They will probably replace electron microscopes altogether.
B. They will eventually he much cheaper to produce than they are now.
C. They will provide information not available from other kinds of microscopes.
D. They will eventually change the illumination range that they now use.
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