阿摩線上測驗
32 What does “it” in the second paragraph refer to?
(A) The use of landmines during war.
(B) The idea of using mice to detect landmines.
(C) The practice of applying genetic engineering to animals.
(D) The need to remove dangerous devices left from wars.
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統計： A(37), B(558), C(80), D(96), E(0) #572436
統計： A(37), B(558), C(80), D(96), E(0) #572436
