2014年12月大学英语四级考试预测试卷3_第5页

　　21、Passage Two.

　　听材料，回答下列问题。

　　A.To learn the chemical elements in the Ice Age for the last ten thousand years.

　　B.To learn the parem of solar wind activity for the last ten thousand years.

　　C.To learn the composition of different trees for the last ten thousand years.

　　D.To learn what’s being happening on the sun’s surface for the last ten thousand years.

　　22、

　　A.The lifecycle of trees.

　　B.The number of trees.

　　C.The intensity of solar burning.

　　D.The quality of air.

　　23、

　　A.It affects the growth of trees.

　　B.It has been increasing since the Ice Age.

　　C.It is determined by the chemicals in the air.

　　D.It follows a certain cycle.

　　24、

　　A.Facial expression.

　　B.Gesture.

　　C.Movements of the body.

　　D.Non—verbal language.

　　25、

　　A.Because there is large number of vocabulary.

　　B.Because the non-verbal languages are not easy to understand.

　　C.Because the grammar is too complicated.

　　D.Because there is no language learning environment.

　　25、

　　A.They will think that the child is brave.

　　B.They will think that the child is angry.

　　C.They will think that the child does not respect the older people.

　　D.They will think that the child is uncomfortable.