国境卫生检疫法规定的传染病是指检疫传染病和监测传染病。 ( )
参考答案：对
What can I do ______ famous?[ ]
A. to becoming
B. to become
C. becoming
D. became
计算题：已知∮7内螺纹管平均外径为7.025mm，平均底壁厚为0.245mm，平均齿高为0.185mm，求平均内径？
