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问题 单项选择题

（）不是合适的时间序列预测方法。

A．最小二乘法

B．指数平滑法

C．德尔菲法

D．移动平均法

答案

参考答案：C

解析：

德尔菲法是一种定性研究方法，而不是定量方法。选项(a)不正确，最小二乘法在回归模型中可以产生最佳拟合数据。选项(b)不正确，指数平滑法(单参数)对于任何数据来说都是有效的。选项(d)不正确，移动平均法可以用来分解时间序列中的各种因素。

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＊Teachers Wanted

Are you a teacher? Do you like children? Can you help them with Chinese on weekends? Come to join us. Call John at 378-5788 for more information(信息)．

＊Ping-pong Club

Do you like to play ping-pong? Do you want to play ping-pong well? Mr. Cai can teach you. You can come here every Saturday afternoon.

Tel: 368-5778

Add: Room 212 in School's P.E. Building.

＊Learning Japanese

Can you speak Japanese? Do you want to learn Japanese? Please join the Japanese Club now. Call Jane at 345-1238．

Time: 8:30 a.m.-l1:00 a.m. (from Monday to Friday)

＊Musicians Wanted

Are you a music lovers? Can you sing or dance? Can you play any instruments(乐器)?

Welcome to our Star Rock Band.

Please call Tina at 898-3443 or send an e-mail to music@163.com.

小题1: Gina is a good teacher and she wants to find a job. Who may offer(提供)her a job?

A．Tina.

B．John.

C．Jane.

D．Mr. Cai.小题2:You can be in the Japanese club for      to learn Japanese from Monday to Friday.

A．2.5 hours．

B．3.5 hours．

C．4 days.

D．5 days.小题3: If you are a music lover, you want to be a dancer, how can you contact (联系) them?

A．Go to Room 212 in School's P.E. Building.

B．Call Jane.

C．Send an e-mail to music@163.com.

D．Call 368-5778.小题4:. Who can teach you to play ping-pong?

A．Tina.

B．John.

C．Jane.

D．Mr. Cai.小题5: Now Vera can speak Japanese well and she teaches children Japanese．She works from Monday to Friday. Can you guess (猜)where she works?

A．The ping一pong Club.

B．The star Rock Band.

C．The Teacher Club.

D．The Japanese Club.
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第三节书面表达（10分）

假如你是李华，你的朋友Peter给你发来邮件，询问你校正在开展的“低碳活动”。根据要点写回信。 (1)尽量乘公交车、走路或骑车 (2)使用电子贺卡 (3)双面使用纸张(4)节约用电、用水。

活动主题是：行动改变世界（Act On the Earth）。

要求：100词左右；首句已给出。

Dear Peter,

With regard to your enquiry, I am here to tell you more details about the low carbon programmes that are right now taking place in my school.

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