问题
单项选择题
对于锅炉转动机械,要求手动盘车时无()现象。
A.磨蚀
B.松动
C.卡死
D.二脱落
答案
参考答案:C
对于锅炉转动机械,要求手动盘车时无()现象。
A.磨蚀
B.松动
C.卡死
D.二脱落
参考答案:C
从A-J选项中选出能填入空白处的最佳选项补全对话。(选项中有两项是多余的) A: Hello, Tim! B: Hello, Alice! Come in and have a seat. __小题1:__ A: Thank you. I’m coming to say goodbye to you. __小题2:__ B: Really? __小题3:__ A: I’m going to an English Summer Camp there. B: What will you do at camp? A: __小题4:__ B: I’m sure you will speak English much better. How long will you stay there? A: About ten days. B: __小题5:__ A: Sounds great. __小题6:__ B: The Summer Palace, the Great Wall and some other interesting places. All of them are well worth visiting. A: Wonderful! But I don’t know how I can get to these places. B: Don’t worry. __小题7:__ By the way, don’t forget to buy a map of Beijing. A: Think you for your advice. B: __小题8:__ Enjoy yourself. Bye!
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