词汇。

1.Today the weather is very cool,so we         (决定) to play tennis.

2.I don't like going shopping.It's         (拥挤) there.

3.How was your         (假期)?

4.My father likes to take a bus         (旅行).He thinks it's relaxing.

5.The people in Russia are really         (友好的).

6.It's         (多雨的) in summer.

7.The mooncakes(月饼) with eggs in them are         (美味的).

8.She had great         (困难) finding a job.

9.At night,I listened to the sound of         (波浪).

10.I did pass my physics        (考试).

产力包括哪3种？各有何特点？