第一部分：英语知识运用(共两节，满分35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。
1. --Shall we go to the bookshop at once?
-- ________. I’m free now.
A. It's a pleasure B. That's nothing
C. That's all right D. It's up to you
2. --What ___ do you focus on when choosing a mobile phone for personal use?
--Its function and stand-by time.
A. marks B. signs C. symbols D. features
