购买普通住房（配套停车位）的，首付款比例不低于30%。

通过一年的化学学习，我们知道了多种制取氧气的方法．如电解水、分离空气、加热氯酸钾、分解过氧化氢等．若用如图所示的装置制取氧气，请你写出另外一种制取氧气的化学方程式______，制取时试管口要略向下倾斜的原因是______．

单词填写，用括号内所给单词的正确形式填空，用0.5毫米的黑色签字笔依次填写在答题卡规定的位置上。

小题1:Keep quiet! You are speaking too ____________. (noise)

小题2:Please cut the apple into _______. (half)

小题3:There are a lot of foreign ____________ (travel) on the train.

小题4:Bananas ___________ (grow) in the south of China.

小题5:He had visited many countries in his ______________. (thirty)

小题6:________________ (luck), he missed the last bus.

小题7:I’d like to buy a _________________(wool) sweater.

小题8:This year my father is _____________ (health)than last year.

小题9:He feels like____________(do) morning exercises every day.

小题10:The village is far from the big city. It looks very ____________(peace).

经美国FDA批准和广泛使用的狂犬病毒细胞培养疫苗有_______、_________和_______；国内主要采用________。

根据汉语意思完成句子。

1．南希完成她的作业后才上床睡觉。    

      Nancy went to bed after she finished_____ _____ _____.

2．我对当一名作家的工作感兴趣。

      I_____ _____ _____the job as a writer.

3．如果你看太多的电视，你第二天会起晚的。  

      If you watch_____ _____TV,you'll get up late tomorrow.

4．现在别睡觉，否则他们会笑话你的。    

      Don't sleep now,or they'll_____ you.

5．他什么时候把头发染成棕色了？

      When did he_____his hair_____?

通常称黏度高、相对什么的原油为稠油？