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Section B Directions: In this section, you will hear several conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversations and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer. 3. A) Money is important but not everything. B) Money can make the mare go. C) Money is the first concern for everyone. D) Money is the source of a happy marriage. 4. A) He is an assistant. B) He sells closets and refrigerators. C) He is an apartment manager. D) He is a real estate agent. 5. A) He forgot all about the trip. B) His roommate didn't wake him up. C) His landlady forgot to wake him up. D) His landlady didn't hear what he asked her to do. 6. A) She is not used to living here yet. B) She has gained quite some weight. C) She does not like the people here. D) She has a problem with her diet. 7. A) She thought there were no tickets left for the show. B) She thought the seats on the left side were fully occupied. C) The show was planned a long time ago. D) The audience were deeply impressed by the show.
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【判断题】公式 h f = λ ·( l / d )· v 2 /2 g 既适用于均匀层流,也适用于均匀紊流。
A.
正确
B.
错误
【多选题】在I型超敏反应中,肥大细胞释放的生物活性介质可引起( )
A.
毛细血管扩张
B.
平滑肌收缩
C.
血管通透性增高
D.
黏膜腺体分泌增加
E.
横纹肌收缩
【多选题】在I型超敏反应中,肥大细胞释放的生物活性介质可引起( )
A.
毛细血管扩张
B.
平滑肌收缩
C.
血管通透性增高
D.
腺体分泌增加
E.
横纹肌收缩
【多选题】通过以下哪些检查方法可以判断二手车是否做过漆(  )
A.
漆面色差
B.
漆面的平整度
C.
漆面瑕疵
D.
漆膜厚度仪
【单选题】患者男,55岁。诊断为胃溃疡,5天前行胃大部切除术,术毕返回病房。为判断是否存在上述并发症,首先应采取的检查是
A.
大便隐血试验
B.
胃酸测定
C.
胃镜检查
D.
X线造影
E.
ERCP检查
【多选题】风险决策一般应具备的条件有( ).
A.
有一个明确的决策目标
B.
存在着决策者可选择的两个以上的方案
C.
存在着不以决策者意志为转移的嘎种以上的自然状态
D.
不同的方案在各种自然状态下的损益值可以计算出来
E.
能够预测各种自然状态发生的概率
【单选题】患者男,55岁。诊断为胃溃疡,5天前行胃大部切除术,术毕返回病房。若患者进食后出现上腹饱胀.呕吐,呕吐物仅为食物,吐后症状改善。最有可能的问题是
A.
吻合口梗阻
B.
十二指肠残端破裂
C.
早期倾倒综合征
D.
输人襻梗阻
E.
输出襻梗阻
【多选题】风险决策一般应具备的条件有 ( ) .
A.
.有一个明确的决策目标
B.
.存在着决策者可选择的两个以上的方案
C.
.存在着不以决镱者意志为转移的嘎种以上的自然状态
D.
.不同的方案在各种自然状态下的损益值可以计算出来
E.
.能够预测各种自然状态发生的概率
【单选题】99~100题共用题干) 患者男,55岁。诊断为胃溃疡,5天前行胃大部切除术,术毕返回病房。 若患者进食后出现上腹饱胀、呕吐,呕吐物仅为食物,吐后症状改善。最有可能的问题是
A.
吻合口梗阻
B.
十二指肠残端破裂
C.
早期倾倒综合征
D.
输入襻梗阻
E.
输出襻梗阻
【单选题】圆形风道,直径d=0.8m,风量为36000m 3 /h,空气的运动黏滞系数v=15.7℃10 -6 m 2 ·s,风道壁面材料的当量绝对糙度K=0.1mm,在l=12m长的管段测得沿程阻力P f =45Pa,用莫迪公式计算风道的沿程阻力系数λ=____。
A.
1.3
B.
0.13
C.
0.013
D.
0.0013
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