第一节：语法和词汇知识: ( 共20小题; 每题0.5分, 满分10分 )
Ⅰ. 从A、B、C、D四个选项中, 选出可以填入空白处的最佳选项, 并在答题卷上将该项涂黑。
1. The city has inched _____ step closer to a green National Games by taking_____ series of measures.
A. /; the B. the; a C. a; a D. a; /
2. Scientists are increasingly _____ that the earth is getting hotter because of carbon dioxide and other gases.
A. convinced B. confident C. concerned D. conscious
