题目内容
Up till now, full use of this theory has been ________ in building large ocean-going ships.
| A.done | B.made | C.laid | D.taken |
B
固定短语make full use of,充分利用。“这一理论被充分的利用来建造巨大的远洋航行轮船。”
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| A.done | B.made | C.laid | D.taken |