更多"[单选题] The farmer kept the bowl so t"的相关试题:
[单选题] I could ________ believe that he worked so ________ there.
A. hardly…hardly
B. hard…hard
C. hardly…hard
D. hard…hardly
[单选题] Last night Li Gang kept doing the maths exercises ________ after ________.
A. one…another
B. one…the other
C. one…the others
D. some…others
[单选题]因为烟气中含有SO2、SO3，当温度低于烟气露点时，水蒸汽冷凝与SO2、SO3生成亚硫酸及硫酸，对设备造成腐蚀，一般要求加热炉排烟温度不小于（）。
A.A.110℃
B.B.125℃
C.C.135℃
D.D.130℃
[单选题] ______ he was very tired, he still went on working hard.
A. For
B. Though
C. As
D. Since
[单选题] He was ill. ________ is why he didn’t attend the meeting.
A. This
B. It
C. There
D. That
[判断题]【LL】 尾部受热面的低温腐蚀是由于SO2 氧化成SO3 ,而SO3 又与烟气中的蒸汽结 合 ,形成酸蒸汽 。
A.正确
B.错误
[判断题]尾部受热面的低温腐蚀是由于SO2氧化成SO3，而SO3又与烟气中蒸汽结合，形成酸蒸汽。（ ）
A.正确
B.错误
[单选题]he关键是指:
A. 上下颌第一切牙的咬合接触关系
B. 上下颌尖牙的咬合接触关系
C. 上下颌第一前磨牙的咬合接触关系
D. 上下颌第一磨牙的咬合接触关系
E. 上下颌第一乳磨牙的咬合接触关系
[判断题]( )在6.4克SO2中含有6.02错1023个SO2分子。
A.正确
B.错误
[单选题] What language did Tom Hofman speak before he came to Paris?
A. He spoke French.
B. He spoke English.
C. He spoke Japanese.
D. We don’t know
[单选题] 与6.0 g SO3所含的氧原子数相等的SO2的质量为( )。
A.3.6g
B.6.0g
C.7.2g
D.5.4g
[判断题] SO42-与 BaCl2 生成不溶于酸的黑色 BaSO4 沉淀, 这是鉴定 SO42- 的很好的反应。
A.正确
B.错误
[判断题]SO42-与 BaCl2 生成不溶于酸的黑色 BaSO4 沉淀, 这是鉴定 SO42- 的很好的反应。
A.正确
B.错误
[单选题] What did Hofman come to know when he arrived in Paris?
A. What he said in French could not be understood by people in France.
B. The French people could not speak French as well as he could.
C. He did not know how to talk to a French woman.
D. He knew little of the French grammar.
[单选题]HE翼片的优点是能清晰显示
A. 牙槽嵴顶
B. 下颌管位置
C. 根折部位
D. 根尖病变类型
E. 上颌窦分隔
[简答题]当低于烟气露点温度时，由于烟气中存在SO2，在设备上可产生低温亚硫酸、硫酸腐蚀，同时SO2、SO3排放造成环境污染。
[单选题] When the boy heard the voice repeating, he thought ______ .
A. it was foolish to hear others’ voice
B. someone else in the mountain liked his voice
C. there were many other people in the mountain
D. he was laughed at by someone else in the mountain
[单选题]若C(H2SO4)=0.1000 mol/L，则C(1/2 H2SO4)为( )
A.0.1000mol/L
B.0.2000mol/L
C.0.4000mol/L
D.0.5000mol/L
[单选题]《火电厂烟气脱硝工程技术规范-选择性催化还原法》规定，脱硝系统SO2/SO3转化率应不大于（ ）%。
A.0.5；
B.1；
C.1.5；
D. 2。
