下列各组物质中，都属于混合物的是(   )

有一种观点认为，“自由不在于幻想中摆脱自然规律而独立；而在于认识这些规律， 从而能够有计划地使自然规律为一定的目的服务。”还有一种观点认为，“‘自由’，倒过来就是‘由自’，因此，‘自由’等于‘由自’，‘由自’就是随心所欲。”这两种关于自由的观点（  ）

请从右栏中找出左栏相应的答语。

①Where are you from? ____        A. Nice to meet you too.

②Thank you very much.  ____               B. It's Thursday.

③Write it on the blackboard.  ____             C. Twenty.

④How are you? ____                          D. England.

⑤Nice to meet you.  ____                       E. No, he isn't.

⑥Is Bob English? ____                         F. It's 80392746

⑦How many boys are there? ____              G. Yes, of course.

⑧Can you say that again in English? ____       H. You're welcome.

⑨What's your telephone number? ____       I. OK. B-O-O-K, book.

⑩What day is it today? ____               J. Fine, thank you.