切丝机刀门间隙超过（）mm时，必须进行调整。

阅读下面短文，然后根据括号内所给汉语意思写出单词的正确形式（每空一词）。

     In Beijing, it is not unusual to see a foreigner. However, in small 1______ (城镇), we can be seen as a

"panda", something you have heard about but 2______ (几乎不) or never seen in person.

     My wife is Chinese and the first time I met her parents we went to their home in a 3______ (西部的)

province. We arrived in the afternoon and went inside to eat and 4______ (闲聊). After I had a short rest.

I was told that there was a 5______ (群) of people on the street waiting for a chance to see the "panda".

Then I decided I should show 6______ (我自己) so that everyone could go back to their 7______ (日常的)

lives. After I had gone back inside that evening, we 8______ (注意到) that some other people were out on

the street. They would have to wait 9______ (直到) the next day to see the "panda". The kids next to the

home were surprised when they saw me 10______ (步行) down the road. They were shouting "Foreigner!

Foreigner!" as they along with me.

     Please remember that there is a place in this world where every one of us would be a "panda".

原油中含水率增大，管壁结蜡速率（）。

A、降低

B、不变

C、变化但无规律

D、越多

烟气进入（）级净化设备与水相遇叫全湿法除尘系统。

顾客与服务提供者之间存在的是短期利益关系，如理发、医疗、维修等。这类服务被称为（）

A.高接触性服务

B.高技术性服务

C.连续性服务

D.间断性服务