(本小题满分16分)
求新桥BC的长；
参考答案：150m
解析：
Diane couldn’t sleep last night ______ all the noise her neighbors were making.
A．according to
B．as for
C．instead of
D．as a result of
（1+2x）5的展开式中含x2项的系数是______．（用数字作答）
