废气锅炉修理后，应在航行试验时进行效用试验，其试验内容应包括（）。
a.安全阀手拉开启装置操纵灵活性；
b.自动调节及安全报警设备试验；
c.烟门启闭调节动作及水位正常；
d.主机在全负荷下，进、排气温度和蒸汽压力合格。
通风和空气调节系统的管道布置，横向宜按防火分区设置，竖向不宜超过5层。当管道设置值防止回流设施或防火阀时，管道布置不受此限制。排风管道防止回流的方法有（ ）
①增加各层垂直排风支管的高度，使各层排风支管穿越两层楼板。
②把排风竖管分成大小两个管道，总竖管直通屋面，小的排风支管分层与总竖管连通。
③将排风支管顺气流方向插入竖风道，且支管到支管出口的高度不小于600mm
④在支管上安装止回阀。
How many dolls can you stuff(塞) into a spare room The (36) —2,300—comes from Gali Little and Katie Banman, both 11, and Katie’s 9-year-old sister, Sarah. They know (37) they just did it.
The girls weren’t trying to (38) it into the Guinness (吉尼斯) Book of World Records. They want to (39) children who lost so (40) during hurricanes (飓风) Katrina and Rita.
"My room and I were (41) the news and I saw a lot of children, and (42) of them had any possessions ... I thought they might (43) a doll to hold onto and tell secrets to," Gali said.
Gali (44) her idea of collecting dolls with Katie and Sarah, who are friends as well as neighbors, and the project was (45) way. The gifts start their (46) at their schools first. They also collected (47) in their neighborhood. The gifts were very (48) with their success. "I
A. clothes
B. books
C. money
D. dolls
| Steve Courtney wrote historical novels.
Not, he was quick to explain, over-colourful love stories of the kind that made
so much money for so many women writers, but novels set, and correctly set, in
historical periods. Whatever difference he saw in his own books, his readers did
not seem to notice it, and his readers were nearly all women. He had studied in
university, but he had been a particularly good student, and he had never
afterwards let any academic knowledge he had achieved interfere with his
writing. Helen, his wife, who did not have a very high opinion of her husband’ s ability as a novelist, had been careful to say when she married him she was not historically minded. Above all, Helen was doubtful whether her relationship with Steve would work at all in the village of Stretton, to which they had just moved. A. He would have liked to earn as much money as they did. B. He was afraid of being compared unfavourably with them. C. He did not think he could write about the same subjects. D. He had a low opinion of the kind of books they wrote. [填空题]如果检验结果为拒绝原假设，若我们想进一步分析影响情况，则要采用方差分析中的（）。
[判断题]铝热反应是氧化还原的过程,也是将化学能转变为热能的过程。
A.正确 B.错误 [单选题]何种类型肺癌对放、化疗均较差
A.鳞癌 B.小细胞癌 C.大细胞癌 D.腺癌 E.肺泡细胞癌 [单选题]1.46 提供虚假材料申领驾驶证的申请人会承担下列哪种法律责任?
A.处20元以上200元以下罚款 B.取消申领驾驶证资格 C.处500元以下罚款,1年内不得再次申领驾驶证 D.2年内不能再次申领驾驶证 [多项选择]关于胸段食管穿孔，叙述正确的是（）
A. 预后差，死亡率极高 B. 早期手术可降低死亡率 C. 开胸手术的目的在于充分引流，修补裂口，防止纵隔及胸膜进一步感染 D. 下段食管穿孔多破入右侧胸腔，应行右侧开胸，中段食管穿孔应行左侧开胸 E. 穿孔时间是确定能否行缝合修补术的惟一标准 [简答题]行政法律主体关系的概念是什么？
[单选题]《国际旅客联运协定》规定，对于团体乘车以及乘坐专列、专用动车和包车的旅客，( )一本按全部团体旅客填写的带有册页客票的册页票本。
A.一般发售 B.可以填写 C.按人数填发 D.仅发售 我来回答: 提交
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