Only in recent years have tools been available for investigating nuclei in any detail.
只是近年来,才有了用于详细研究原子核的工具。
举一反三
- In recent years, there have been over 30 foreign companies_________business in this city.
- How many methods of foreign currency translation have been used in recent years? (U.S. GAAP.)
- ______ there ______ any new developments in the past 20 years? A: Have… been B: Will…be C: Had…been D: Would… be
- Over the years, tools and technology themselves as a source of fundamental innovation have largely been ignored by historians and philosophers of science
- In recent years a number of ________ satellites have been put into orbit. A: communication B: transportation C: transportations D: communications
内容
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14. According to a recent estimation, which may be optimistic, only 20 percent of job-seekers have had any sort of ________ training.
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In recent years, ( ) produced in the process of soil denitrification has been reported to have greenhouse effect. A: NO B: NO2 C: N2O D: N2
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In recent years viruses have been shown to cause cancer in chickens. Viruses have also been shown to cause cancer in mice, cats, and even in some primates. Viruses might cause cancer in humans.This is a reasonable hypothesis.
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In recent years ( ) has seen the largest increase of any country in coal consumption.
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There have probably been hijacked in recent days.