问题
单项选择题
锅炉汽包出现“虚假水位”现象是由于（）引起的。
A、给水流量突然变化
B、给水压力突然变化
C、蒸汽负荷突然变化
D、燃料量突然变化
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
锅炉汽包出现“虚假水位”现象是由于（）引起的。
A、给水流量突然变化
B、给水压力突然变化
C、蒸汽负荷突然变化
D、燃料量突然变化
参考答案：C
| Passage One Questions 26 to 28 are based on the conversation you have just heard. |
A．Because he registered the".ch" for China and sent the first e-mail in China.
B．Because he set up China’s first online comic dialogue website.
C．Because be provided integrated online services.
D．Because he was regarded as the father of Internet in China.