问题
单项选择题
综合安全技术
形成汽水共腾的原因中,由于( )等原因,会造成锅水中悬浮物或含盐量太高,碱度过高。
A.锅水品质太差
B.负荷增加
C.压力降低过快
D.水循环故障
答案
参考答案:A
综合安全技术
形成汽水共腾的原因中,由于( )等原因,会造成锅水中悬浮物或含盐量太高,碱度过高。
A.锅水品质太差
B.负荷增加
C.压力降低过快
D.水循环故障
参考答案:A
用所给的单词或词组填空。 | |
2. — do you arrive here? —At 6:00 in the afternoon. 3. — is it from Beijing to Canada? —It's about eight thousand five hundred kilos. 4. — is the weather forecast, Jenny? —It's sunny. 5. — buses are there? —Ten buses. 6. — is your sweater? —It's 50 yuan. |