会计分录包括经济业务涉及的账户名称、记账方向和金额三方面内容。()
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The text is most probably a______.
A. science news report
B. book review
C. newspaper ad
D. science fiction story
Liquid semiconductor is used to______.
A. get rid of the radioactive waste
B. test the power of nuclear batteries
C. decrease the size of nuclear batteries
D. reduce the damage to lattice structure
What does the underlined' word "collapsed" probably mean？
A. Were destroyed.
B. Caught fire.
C. Were flooded.
D. Sank.
According to Jae Kwon, his nuclear battery______.
A. uses a solid semiconductor
B. will soon replace the present ones
C. could be extremely thin
D. has passed the final test
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