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。
21．On Feb. 6, Xi’an – Zhenzhou High – Speed Railway, first high – speed railway in
West China, was put into operation.
A．不填；the B．the; the C．the; 不填 D．不填；不填
22．The woman scientist was so busy that she could hardly time to her children.
A．spend B．devote C．offer D．provide
