【題目】When we produce rubber products, some ________ will be released. (chemistry)

【答案】chemicals

【解析】

句意:我們生產(chǎn)橡膠制品時(shí),會(huì)釋放一些化學(xué)物質(zhì)。

根據(jù)句意理解可知,這里表達(dá)的是“化學(xué)物質(zhì)”,而所給的詞是chemistry是“化學(xué)”,指的是一門科目,所以空格不可以用chemistry,英語(yǔ)中表示“化學(xué)物質(zhì)”是chemical,空格前有some修飾,所以這里應(yīng)該用復(fù)數(shù)形式,故答案為chemicals

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