第二部分：英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题，每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21． humanoid（有人特征的）robot newly acquired by Imperial College in London will lead to deeper understanding of human intelligence．
A．The; the; / B．A; a; a C．A; a; / D．A; the; /
22．News reports say peace talks between the two countries with no agreement reached．
A．have broken out B．have broken down
C．have broken in D．have broken up
