7只鸽子要放进6个鸽笼，至少有______只鸽子要放进同一个笼里．
根据分析，
7=6+1；
至少有2只鸽子要放进同一个笼里．
故答案为：2．
All people in the company voted for Mr．Smith．His management and strong character as well as his kind-heartedness made _____ he was as CEO．
A．who
B．which
C．what
D．whom
我同著作权法对作品予以保护的原则不包括()。
A．国籍原则
B．地域原则
C．实践原则
D．互惠原则
