第一节 单项填空（共15 小题；每小题1分，满分15分）
请认真阅读下面各题，从题中所给的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. ---Do you think you could do it without help?
---______. This is not the first time for me.
A. Take care B. Hurry up C. Not exactly D. Don’t worry
2. That’s the new machine ______ parts are too small to be seen.
A. that B. which C. whose D. What
