装载过境动物的运输工具到达口岸时,口岸检验检疫机构对运输工具和装载容器外形进行消毒。对动物进行检疫,检疫合格的准予过境,检疫不合格的不准过境。( )
参考答案:对
用所给词的适当形式填空,每空一词。
1. A cow has four _______ (stomach).
2. Mr Black is very clean. He brushes his _______ (tooth) three times a day.
3. The boy washes his _______ (foot) once a week. He is very dirty.
4. The woman held (抱) her baby in her _ (arm).
5. Pigs have big _______ (ear).
6. We see with our _______ (eye).
7. She is very clean. She washes her_______ (tooth) every evening.
8. Boys, close your _______ (mouth) and listen to the teacher.
9. If you have any questions, please put up your _______ (hand).
一般说来,大功率的异步电动机冷却方式采用水冷,小功率的异步电动机冷却方式采用风冷。()