The text is most probably a______.
A. science news report
B. book review
C. newspaper ad
D. science fiction story
查看答案
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
What is the best title of this passage？
A. The Lantern Festival
B. The ingredients of Yuanxiao
C. The difference between Yuanxiao and Tangyuan
D. China' s traditional food--Yuanxiao
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