情景对话。从B栏选出A栏最恰当的答语，并将其序号写在题前括号内。（10分）

A                                 B

小题1: Where are your keys?            A. It’s 5673498.

小题2:Let’s watch TV.                 B. Nice to meet you.

小题3: What’s his phone number?       C. Because it’s interesting.

小题4: Is his birthday in July?        D. On the dresser.

小题5:Why do you like P.E.?             E. Thank you!

小题6:Do they have an art festival?    F. At 12:00.

小题7: This is Mike.                   G. Miss Xie.

小题8: Have a good time!               H. Yes, it is.

小题9: Who is your music teacher?       I. Yes, they do.

小题10: When do you have lunch?         J. That sounds boring.

（1）我国民间有句谚语：“霜前冷，雪后寒。”它说明：霜是由于气温较____________而使空气中的水蒸气发生____________现象而形成的（填物态变化名称）；雪在熔化时需要__________热，因而气温降低，使人感到寒冷。

（2）冬天教室的窗玻璃上常常出现许多小水珠，这是教室     （填内、外）空气中的水蒸气在玻璃表面        而成的（填物态变化名称）。