第一节单项填空（共15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，选出最佳选项, 并在答题卡上将该项涂黑。
The book focuses on _____ tragedy of Ron Williamson, a baseball hero from _____ small town in Oklahoma.
A. a; the B. the; the C. the; a D. /; a
I arrive at nine o’clock, teach until twelve thirty and then have a meal; that is my morning .
| A．policy | B．behavior | C．tendency | D．routine |
--This is Jackson. Can I speak to Peter?
--______, please. I’ll see if I can find him for you.
| A．Hold up | B．Hold on | C．Hold out | D．Hold off |
You are a ______ man now; you are no longer a boy.
| A．amateur | B．mature | C．casual | D．visual |
Would you please make up a topic ______ discussing at tomorrow’s conference?
| A．worth | B．worthy | C．worthwhile | D．worth while |
Required to accomplish it within the given time, we are working under _______ pressure at the moment.
| A．steady | B．secure | C．extreme | D．precise |