问题
选择题
With the development of science, more new technology ________ to the fields of IT. [ ]
A. has introduced
B. is being introduced
C. is introduced
D. was introduced
答案
答案：B
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With the development of science, more new technology ________ to the fields of IT. [ ]
A. has introduced
B. is being introduced
C. is introduced
D. was introduced
答案：B