问题
单项选择题
电动机加入轴承内的润滑脂应填满其内部空隙的()同一轴承内不得填入不同品种的润滑脂。
A.1/2
B.1/3
C.2/3
D.3/4
答案
参考答案:C
电动机加入轴承内的润滑脂应填满其内部空隙的()同一轴承内不得填入不同品种的润滑脂。
A.1/2
B.1/3
C.2/3
D.3/4
参考答案:C
阅读并补全对话。(共5小题;每小题1分,计5分) 请根据上下文语境,用下面文本框中提供的信息补全对话。(提示选项中有两项为多余项, 只填序号) A: Hi, Seven. Do you hear of Gangnam Style(江南style)? B: Of course. It’s very popular now. It got No. one on YouTube Top 100 Music Videos. A: Really? 小题1:_____________________________________? B: Yoo Gun hyung, a singer of Korea. Everyone calls him PSY(鸟叔)。 A: Why is it so famous? B: 小题2:____________________________________. A: Oh, I want to see his MTV and listen to the song. B: 小题3:___________________________________? I have one. A: That’s great. When shall I go? B: 小题4:_____________________________________? A: OK. I’ll be free on Friday evening. And then we can watch the film Chicken Run(小鸡快跑) online. I hear that it’s very interesting. B: Wonderful. 小题5:______________________________. A: See you then. B: See you.
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