小明的爸爸因小明期中考试成绩很不理想，将小明毒打一顿，致使小明住院治疗一个星期。

在一个不透明的纸箱里装有红、黄、蓝三种颜色的小球，它们除颜色外完全相同，其中红球有2个，黄球有1个，蓝球有1个，现有一张电影票，小明和小亮决定通过摸球游戏定输赢（赢的一方得电影票）．游戏规则是：两人各摸1次球，先由小明从纸箱里随机摸出1个球，记录颜色后放回，将小球摇匀，再由小亮随机摸出1个球．若两人摸到的球颜色相同，则小明赢，否则小亮赢．这个游戏规则对双方公平吗？请你利用树状图或列表法说明理由．

根据皮亚杰提出的心理发展因素，下列哪一项是错误的( )

A．成长

B．练习和经验

C．社会性经验

D．具有自我调节作用的平衡过程

Astride entered into a contract with Bild Ltd to construct a wall around the garden of a house she had just purchased. The wall was to be three metres high to block out a view of a rubbish tip. The wall was due to be finished in May and Astride entered into another contract with Chris to landscape the garden starting on 1 June.Bild Ltd finished the wall on 25 May. However when Astride came to examine it for the first time she found that it was only 2·50 metres high and that the rubbish tip was still visible from the top of her garden.On 1 June, Chris informed Astride that he was too busy to landscape her garden and that she would have to get someone else to do it. The only person available, however, will charge Astride ￡500 more than Chris had agreed for doing the work.Required:Analyse the scenario from the perspective of the law of contract, advising Astride:

(b) Whether she can require Chris to undertake the work on the garden, and if not, what alternative action is available to her. (5 marks)

介入治疗中，血管内给予罂粟碱的意义是（）

A.扩血管

B.抗肿瘤

C.缩血管，止血

D.溶栓

E.降低血液粘度

下列关于植物激素的说法不正确的是（）

A.植物激素是一类化学物质

B.植物激素在植物体内含量很少

C.植物激素不直接参与细胞内的代谢活动

D.植物激素促进植物生长