台湾自然条件优越，享有众多美誉．下列各种美誉不属于台湾省的是（ ） A．海上粮仓

虚邪贼风

根据句子意思,用括号中所给单词的适当形式填空。

1. ---Sam usually spends three hours _______(do) his homework every day? What about you, Jack?

   ---  Two hours.

2. Thank you for _______(help) me clean the garden. I will spend the whole day without your help.

3. ---What's your favourite activities after school?

   ---I enjoy _________(dance) in the art room. 

4. ---Do you know a game ___________ (call) "trick or treat"?

   ---Yes. Children like to play it at Halloween.

5. ---What do you want to make with the pumpkin?

   ---We want to make a lantern for Halloween. Can you see the sharp _______ (tooth)?

圆盘剪床适合于剪切（）形且较薄的板材。

A.曲线

B.直线

C.曲线和直线

D.任意线

普罗泰哥拉第一个明确提出人的美德可由（）养成。

对于公益性建设项目，工程咨询应重点关注项目的()。

A．财务效益

B．社会效益

C．国民经济效益

D．环境效益