阿摩線上測驗
7. Experiments in genetic engineering have created important __________ to find cures for many cancers.
(A)drawbacks
(B)breakthroughs
(C)accusations
(D)obstacles
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統計： A(46), B(549), C(95), D(51), E(0) #537068
統計： A(46), B(549), C(95), D(51), E(0) #537068
詳解 (共 2 筆)
摩友(100006036202109)
#2660569
Experiments （實驗）in genetic engineering（基因工程學） have created important __________ to find cures for many cancers.
(A)drawbacks 缺點、障礙
(B)breakthroughs 突破
(C)accusations 指控、控告
(D)obstacles 障礙、妨礙
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