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【简答题】
为了使三相异步电动机改变旋转方向，只须把电动机接在电源的三根相线中的（）。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】患者男，30岁。2小时前突然上腹刀割样痛，迅速波及全腹，不敢直腰走路。检查：舟状腹，腹肌强直，有腹膜刺激征，肠鸣音消失，肝浊音界缩小。进一步明确检查的简便方法是
A.
血淀粉酶测定
B.
白细胞计数及分类
C.
X线腹部平片
D.
尿淀粉酶测定
E.
腹腔穿刺抽液检查淀粉酶量
【单选题】患者男,30岁,2小时前突然上腹刀割样痛,迅速波及全腹,不敢直腰走路。检查舟状腹,腹肌强直,有腹膜刺激征,肠鸣音消失,肝浊音界消失。应考虑的诊断
A.
阑尾穿孔
B.
溃疡病穿孔
C.
胆囊穿孔
D.
绞窄性肠梗阻
E.
急性出血性胰腺炎
【单选题】患者男，30岁。2小时前突然上腹刀割样痛，迅速波及全腹，不敢直腰走路。检查：舟状腹，腹肌强直，有腹膜刺激征，肠鸣音消失，肝浊音界缩小。应考虑的诊断是
A.
阑尾穿孔
B.
溃疡病穿孔
C.
胆囊穿孔
D.
绞窄性肠梗阻
E.
急性出血性胰腺炎
【单选题】患者男，30岁。2小时前突然上腹刀割样痛，迅速波及全腹，不敢直腰走路。检查：舟状腹，腹肌强直，有腹膜刺激征，肠鸣音消失，肝浊音界缩小。应考虑初步治疗措施为
A.
禁食、持续胃肠减压
B.
输液
C.
静滴抗生素
D.
6~8小时后症状不见好转应考虑手术治疗
E.
以上都对
【简答题】Look at the map below. Answer the questions about the map in full sentences. in the northeast in the west in the northwest in the southwest in the southeast Where is the school? The school is ____ o...
【简答题】根据汉语意思选择正确的答案。 1. 这附近有个学校吗？ [ ] A. Is this a school? B. Where is the school? C. Is there a school near here? 2. 医院在哪里？ [ ] A. Where is the hospital? B. What is the hospital? C. Is it a hospita...
【简答题】用恰当的介词填空。 1. —Where is the school? —It's ______ Sixth Avenue. 2. The nearest (最近的) hotel is ______ the bank and the bus station (公交车站). 3. Our school is next ______ the library. 4. The bank is across ...
【单选题】— Where is the school singing contest going to be held tonight? — I am not sure. Is it in the hall _________ the students often have a meeting? [ ]
A.
where
B.
which
C.
that
D.
when
【单选题】Do you know _________, Lynn? [ ]
A.
what colour is it
B.
how old he is
C.
where is the school
D.
how tall is he
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