中英两国古代最高统治者把秘书官吏控制在（ ）
A．决策的位置上
B．辅佐的位置上
C．私人服务位置上
D．生活服务位置上
参考答案：B
冻土解冻后，土的强度( )。
A．往往高于冻结前的强度 B．往往低于冻结前的强度C．一般不发生变化 D．提高或降低与冻结时间有关
The thief was apprehended, but his accomplice had disappeared.
A．people who saw him
B．the person who helped him
C．guns and knives
D．stolen goods
