第Ⅰ卷共45小题，请按要求将答案填涂在答题卡上。
一、单项选择（本题共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，并在答题纸上将该项涂黑。
1. We know world would be a very different place without Thomas Edison.
A. an B. the C. a D. /
2. A traffic accident happened yesterday, but luckily, of them were killed．
A. none B. all C. neither D. both
3. During the earthquake, many buildings fell down. But the people there didn’t hope.
A. give away B. give in C. give up D. give out
4. －This Apple iPhone 4S is really cheap.
－The ______, the better. I’m short of money, you see.
A. expensive B. more expensive C. cheap D. cheaper
