根据句意，选择单词或短语并以其适当形式填空。

carry out;be native to;be home to;up to; in the end;be blamed on;by contrast

【小题1】Scientists are confident this change can ________human emissions.
【小题2】________,the prince and princess unite in marriage and the whole city celebrates their happiness.
【小题3】This is seen in the case of the United States’ refusal to________ its agreement.
【小题4】I am not good at expressing myself.________,I am better at thinking instead.
【小题5】The surrounding forests ________many birds and animals.
【小题6】Such water would not ________the moon, but instead delivered there over time by comet impacts.
【小题7】A fully-charged battery can last for ________a month.