问题
单项选择题
拔头油完整的试压流程是由初底泵到（）。
A.拔头油最后一台换热器前
B.减压炉控制阀前
C.常压炉出口阀前
D.初馏塔进口阀前
答案
参考答案：C
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拔头油完整的试压流程是由初底泵到（）。
A.拔头油最后一台换热器前
B.减压炉控制阀前
C.常压炉出口阀前
D.初馏塔进口阀前
参考答案：C
| 根据图片选择相应的语句。 |
| ( )1. A. What's this? B. No. I don't like donut. C. May I have one? D. Thank you. ( )2. A. OK. B. Sure. C. You're welcome. D. Thank you. ( )3. A. Over there. B. No. I don't. C. Yes, I am. D. No, I'm not. ( )4. —How many bottles of juice? —There are bottles of . A. thirteen, water B. twelve, water C. twelve, juice D. eleven, juice ( )5. A. Yes. I like tea. B. I want to eat cake. C. No. I don't like it. D. Yes. I'd like some tea. |      |