第一部分.单项选择每小题1分
1. ______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.
A. Because of B. On account of C. Due to D. Thanks to
2. You have to learn how to be a ______ first, and then to be a student.
A. human being B. people C. person D. man
