問題詳情

III. 綜合測驗: (@2%, 40%)  31~37         One of the most terrifying and dangerous events 31 a fire in a house or an apartment. Fire fighters often have to wear oxygen masks when they enter a burning home. They also carry extra masks to 32 victims who have breathed in smoke. Recently in the United States, new masks are being used. These are oxygen masks for pets.         When a fire 33 , fire fighters naturally look for any people in the house. That is their 34 . Many pet owners try to save their pets even while their home is burning. Pets often find a place to hide during a fire and are therefore hard to find. Some pet lovers have even died in fires trying to save their beloved animals.        A set of three masks specially designed for different-sized animals 35 about US$60 (NT$1900). Fire-fighters' pet masks were originally made for animal doctors. These medical professionals use them when 36 surgery 36 pets. Now pet supply businesses and animal lover organizations are buying sets of masks to donate to their local fire departments. Some pets have already been saved by the new masks. Many others are expected to live 37 these masks in the future.
31.
(A) were
(B) are
(C) is
(D) have

參考答案

答案：C[無官方正解]
難度：適中0.5
統計：A(2),B(1),C(3),D(1),E(0)

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