1. He couldn't help ________ anything for his family because he was busy with the entrance exam. A. doing B. to do C. did D. and did

We should prevent pollution ________ happily.

A. living B. from living C. to living D. to live

He was too busy ________ his friend.

A. receive B. to receive C. receiving D. received

The girl looked ________ at her dying cat.

A. happy B. happily C. sad D. sadly

It is hot ________ January. Better take off your coat.

A. A. in B. during C. for D. to

Is ________ "m"the 13th letter in the English alphabet

A. / B. a C. an D. the

__________, she could hardly have any time to play with her little daughter.

A. Busy as she was B. As was she busy C. was busy she D. As she was busy

Do you have any idea of the reason _________ he referred to

A. that B. as C. why D. when

Is this the park ________ he visited his friend the other day

A. the one B. that C. where D. /

心理定势是指由于先前的活动而造成的一种心理准备或心理定向,它使人以比较固定的方式进行认知或做出行为反应.但在在情况变化时,定势则会阻碍人们找到新的方法去解决新问题.因此,我们必须正确灵活地运用已有的认识和方法去解决相似的问题,绝为可想当然.否则,便会犯这样那样的错误.

18.B(“明确”既明白又有确定的意见，“思索”是“思考探求”的意思，“施行”指“用行动来实现”)

17.B(“容许”语气重一些，合语境。“引见”是“引导、介绍”，合语境。“思索”除“思考”之意外，还有寻求、探求之意)

16.B(超越，有超出，超过之意，合语境。警醒，警戒醒悟之意，合语境。徘徊，合语境)

15.A(削减，从已定的数目中减去，合语境。呼吁，向个人或社会申述，请求援助或主持公道，合语境。贯穿，有连通之意，合语境)

14.B(“凝聚”凝集之意，符合语境。“收集”有使聚集在一起之意，符合语境。“透露”有泄露或显露之意，符合语境)

13.C(“遏制”有止住、消除之意，符合语境。“关注”程度较深，符合语境。“折服”语意重些，符合语境。贯穿，有连通之意，合语境)

12.C(“流逝”指时光等逝去，符合语境。“形迹”指“举动、神色”符合语境。“学历”指学识水平达到的程度，符合语境。“试验”指验证某结果或性能间进行的某种活动，符合语境)

11.A(“题材”主要指作品的材料内容，符合语境。“逐步”强调发展的步骤性、阶段性，符合语境。“效益”强调效果和收益，符合语境)