肥胖的标准是体重指数(BMI)大于或等于()
A.27kg/m2
B.28kg/m2
C.29kg/m2
D.30kg/m2
E.32kg/m2
参考答案:D
砂轮机主要由______、电动机和______组成。
The accident was my fault, so I had to pay for the damage ________ the other car.
A.of
B.at
C.to
D.on