11，30，67，（）
A.128
B.134
C.169
D.171
参考答案：A
解析：2的立方加3，3的立方加3...答案是128，选A。
At the meeting place of the Yangtze River and the Jialing River________,one of the ten largest cities in China
A．lies Chongqing
B．Chongqing lies
C．doer lie Chongqing
D．doer Chongqing lie
钢筋混凝土电杆为（）mm。
A.100³70
B.100³80
C.110³80
D.100³90
