鼻腔的功能包括()。
A、分泌粘液可粘附尘粒
B、纤毛摆动可将粘液、尘粒推向咽部
C、静脉丛有温暖和湿润吸人空气的作用
D、感受气味
参考答案:A, B, C, D
根据句意和汉语提示,填写恰当的短语完成下列句子。
1. In Switzerland it's very important to be _____ (准时).
2. They _____ (握手) and started a conversation at once.
3. Don't be angry with him. _____ (毕竟), he is still a child.
4. They don't usually have to _____ (做计划) to meet their friend
5. He lives near the city mall. We can _____ (顺便拜访他家) when we go there for shopping.
检验螺栓横向裂纹较合适的方法()。
A.磁轭连续法、黑磁粉
B.通电剩磁法、黑磁粉
C.线圈剩磁法、高浓度荧光磁悬液
D.线圈连续法、低浓度荧光磁悬液