第一部分：英语知识运用（共两节，满分30分）
第一节：单项填空（共20小题；每小题0.5分，满分10分）
从每题所给的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。
1. --- Let’s go Dutch for this supper, OK?
--- No, __________ this time, as a reward for all your help.
A．it’s up to you B．it’s my treat
C．let’s talk about it D．it doesn’t matter
2. _____ new cure for this disease that medical experts have recently developed proved to be
_____ most effective, although it can not completely kill all the viruses.
A．A; a B．The; / C．/; the D．A; the
