市场上商品供不应求，价格上涨；供过于求，价格下降。所以，价格是由供求关系决定的。

语篇填空：根据篇章语境填出适当的单词，最多不超过3个单词

Lily:  Boys and girls, May I have your attention Please! Today we have an honorable guest here, Professor Smith, ___小题1:____  come from the USA.  Professor Smith , could you tell us how to study English well ?

Professor Smith: Well, that’s a very broad topic.

Lily :   Ok, I see. So __小题2:____ of all, how should we greet someone that we haven’t seen for a long time?

Professor Smith: You _____小题3:_______ greet them with “ how are you doing “ instead of “ how do you do ?’

Lily :    Ok, Here’s another. What  is _____小题4:_______ best way to improve one’s accent?

Professor Smith: Ok. You have the habit of speaking Chinese. Your mouth has some special repetitive actions.

Lily:     Then what should we do ?

Professor Smith: You should listen to native speakers or talk to people in English _小题5:___ often as you can.

Lily  :  But most students are afraid of ____小题6:____ (laugh ) at

Professor Smith: In the USA, many Chinese students are also shy of speaking English. We should be confident, and speak English as if no one else __小题7:______(listen )

Lily :   Thanks a lot, Professor Smith . In summing up, could you please give us one sentence __小题8:______ (conclude) our discussion?

Professor Smith:  Speak English______小题9:__________( loud )!

Lily :   Thank you professor. And thank you all for listening. Today’s programme will _小题10:_____(repeat) on Friday at 12:30 .See you then

Professor Smith: Good bye then

两岸“三通”以来，大陆居民赴台旅游成为热点。据此回答（1）——（2）题 。

（1）下列风景名胜属于台湾的是[ ]

    A、阿里山的日月潭

    B、西湖的苏堤春晓

    C、鼓山的摩崖石刻

    D、白头山天池

（2）下列关于台湾的描述，正确的是[ ]

    A、主要少数民族为维吾尔族

    B、地形以高原为主

    C、森林资源贫乏

    D、樟脑产量居世界首位

确定地面点位的三项基本工作是（）、（）和（）。

( )是经济单位通过对风险的认识，衡量和分析，以最小的成本取得最大安全保障的方法。

A．风险管理
B．保险
C．可保风险
D．风险预测

定势对迁移的影响表现为______和______两种。