建设工程纠纷解决的几种途径中，( )是依靠国家强制力来实现的。
A．和解
B．调解
C．诉讼
D．仲裁
参考答案：C
He always does his homework ______ than his sister.[ ]
A. more careful
B. careful
C. more carefully
D. carefully
主机房和基本工作间需要设置（）.
A.空气调节系统
B.空气净化系统
C.舒适型空调
D.恒温恒湿型空调
