问题
选择题
Most electronic devices of this kind, _______ manufactured for such purpose, are tightly packed. [ ]
A. that are
B. as are
C. which is
D. it is
答案
答案：B
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Most electronic devices of this kind, _______ manufactured for such purpose, are tightly packed. [ ]
A. that are
B. as are
C. which is
D. it is
答案：B