服务的四把钥匙:()(笑脸)、()(眼神)、()(问候)、()(主动)。
参考答案:Smile;Eye Contact;Greeting;Active
—I want to know more __________about how to use this word.
—You can look it up in the dictionary.
A.mostly
B.exactly
C.nearly
D.hardly
井口密封填料不发热,不漏油、松紧适当、光杆外露()m符合技术要求。
A、0.5~0.8
B、0.8~1.5
C、0.8~1.2
D、1.0~1.5