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问题 判断题

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。( )

答案

参考答案：对

填空题

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).
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判断题

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。（）
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