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【单选题】
患者,男,21岁。腹痛9小时。饱食后重体力劳动1小时,开始出现腹部阵发性绞痛,伴呕吐,呕吐后腹痛稍减轻,无排气排便。查体:腹部膨隆,脐明显压痛,无反跳痛,无肌紧张,肠鸣音,移动性浊音(-), X线腹透可见阶梯状含气液平面。临床最可能的诊断是
A.
急性胰腺炎
B.
胃肠穿孔
C.
肠扭转、机械性肠梗阻
D.
麻痹型肠梗阻
E.
急性胆囊炎
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【单选题】三圈环流假设地表均匀且存在地球自转,三圈环流部分证明是正确的,主要在( )。
A.
南北纬5-25℃的东北信风
B.
我国大部分地方处于西风带
C.
副热带地区的沙漠(撒哈拉大沙漠)
D.
以上都正确
【单选题】三圈环流假设地表均匀且存在地球自转,三圈环流部分证明是正确的,主要在()。
A.
南北纬5-25C的东北信风
B.
我国大部分地方处于西风带
C.
副热带地区的沙漠(撒哈拉大沙漠)
D.
以上都正确
【单选题】People who join the Slow Movement do not use computers, travel in cars, or watch television.
A.
YES
B.
NO
【单选题】设函数【图片】,则下列说法正确的是( )
A.
若 在点 处偏导数存在,则在该点必连续;
B.
若 在点 处连续,则在该点偏导数必存在;
C.
在点 处偏导数存在性与连续性无关;
D.
其它三个选项均不正确。
【单选题】The police station asks for public help because______.
A.
ordinary people like the television programme
B.
ordinary people are interested in pictures of paintings, jewellery, etc.
C.
the policemen can not catch the thieves themselves
D.
ordinary people may help the policemen get useful information about the criminals
【简答题】循环结构作业ppt: 循环结构作业.pptx
【单选题】Tom succeeded under the help of______.
A.
a special computer technology
B.
a special television technology
C.
his teachers
D.
his parents
【单选题】The word media basically refers to ____ we commonly call newspapers, magazines, radios and televisions.
A.
which
B.
what
C.
why
D.
that
【单选题】B Good evening, ladies and gentlemen, I’m Roy , and this is my show. This is a television show for all families, and I know you’ll enjoy it. Let’s start with a story. Once there was a proud pig on a f...
A.
a family show on TV
B.
for kids only
C.
a sports show
【单选题】气动系统的气源输出口的后面通常配置有冷却、过滤、干燥等元件,其目的是为了( )
A.
增加压缩性
B.
去除水蒸气
C.
降低粘性
D.
减小压力对粘性的影响
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