问题
单项选择题
锅炉点火前()小时投入电除尘大梁瓷轴加热。
A、2小时;
B、4小时;
C、8小时;
D、12小时。
答案
参考答案:D
锅炉点火前()小时投入电除尘大梁瓷轴加热。
A、2小时;
B、4小时;
C、8小时;
D、12小时。
参考答案:D
根据对话内容,从对话后所给的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。(共5小题;每小题2分,满分10分)请把答案填在下面的方框内,否则不计分。) ---It’s so hard for me to learn English.Why is it so easy for you? ---I didn’t know you were having problems._1___But also, I really work at it. ---Well,I always do my homework and go to classes._2___ ---Well, you might try reading newspapers. And you can talk with Americans when you get a chance. ---__3_____ ---How about sitting next to an Amercian at lunch, or have you ever thought of asking someone over to your house for dinner? ---__4___But I’m a little shy to speak English. ---You won’t learn if you don’t try and speak.__5__They will give us a lot of help.
F. If I were you, I’d talk to the English teachers. G. Maybe it's easier for me because I already speak two languages.
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