【单选题】______, he never takes anything from his neighbors.
【单选题】关于私有地址,下面说法正确的是( )。
A.
类私有地址范围为10.0.0.0~20.0.0.0
B.
B类私有地址范围为172.0.0.0~172.15.0.0
C.
C类私有地址范围为192.168.0.0~192.168.255.255
【单选题】________ in health,he persisted in doing the experiment. [ ]
【单选题】______in health,he insisted on doing the experiment.
【单选题】He was in poor health. He could not make his voice ______ .
【单选题】________, Mr. Smith managed to send his daughter to school.
【简答题】Would he help the poor if he (he)______a super star?