人類活動是黑脈金斑蝶數(shù)量一直在下降的主要原因。(why引導(dǎo)定語從句) Human activity is the main reason why the number of Monarch Butterfly has been falling.Human activity is the main reason why the number of Monarch Butterfly has been falling.
【考點】固定搭配/句型.
【答案】Human activity is the main reason why the number of Monarch Butterfly has been falling.
【解答】
【點評】
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發(fā)布:2024/6/27 10:35:59組卷:3引用:1難度:0.6
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