What does the‘‘law of nature”mean?You can find the answer in the passage in——.
A.the first sentence B.the fourth sentence C.the seventh sentence D.the final sentence
参考答案:
答案解析:
阅读下列短文,回答题。 Every Chinese-language textbook starts out with
阅读下列短文,回答题。 Every Chinese-language textbook starts out with the standard phras