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【单选题】
设 为三阶方阵,且 ,则行列式 的值为( )。A.
30
B.
-8
C.
8
D.
-32
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举一反三
【单选题】男孩,6个月。因发热3天,反复惊厥3次入院,过去无惊厥史。入院查体:体温38.7°C,嗜睡,醒后烦躁易激惹,心率120次/分,心肺检查无异常,腹软,前囟较饱满,为明确诊断,最重要的检查是
A.
腰穿
B.
血培养
C.
脑电图
D.
头颅B超
E.
头颅CT扫描
【单选题】According to the passage, how does telecommuting benefit management?
A.
It enables workers to work intensively without being disturbed by colleagues.
B.
It can reduce the rush -hour congestion.
C.
It can free workers from office.
D.
It can stabilize the staff since they can better take care of the family.
【单选题】The miners' strike in July showed how quickly workers' discontent can ______ and how efficiently they can take organized action.
A.
erupt
B.
abrupt
C.
corrupt
D.
disrupt
【单选题】男孩，6个月。因发热3天，反复惊厥3次入院，过去无惊厥史。入院查体：体温38.7℃，嗜睡，醒后烦躁易激惹，心率120次/分，心肺检查无异常，腹软，前囟较饱满，为明确诊断，最重要的检查是
A.
腰穿送检脑脊液
B.
血培养
C.
脑电图
D.
头颅B超
E.
头颅CT扫描
【单选题】—_____ workers are there in the factory? —There are 500. [ ]
A.
How many
B.
How much
C.
How
D.
How old
【单选题】男孩,6个月。因发热3天,反复惊厥3次入院。既往无惊厥史。入院查体:体温38.7°C,嗜睡,醒后烦躁易激惹,心率120次/分,心肺检查无异常,腹软,前囟饱满,为明确诊断,最重要的检查是
A.
血培养
B.
头颅CT扫描
C.
腰椎穿刺
D.
脑电图
E.
头颅B超
【简答题】The miners' strike in July showed how quickly workers' discontent can _______and how efficiently they can take organized action.
【单选题】男孩，6个月。因发热3天，反复惊厥3次入院。既往无惊厥史。入院查体：体温38.7℃，嗜睡，醒后烦躁易激惹，心率120次/分，心肺检查无异，腹软，前囟较饱满，为明确诊断，最重要的检查是
A.
血培养
B.
头颅CT扫描
C.
腰椎穿刺
D.
脑电图
E.
头颅B超
【单选题】How can workers identify and sort e-waste?
A.
synthetic stew
B.
wind blowing
C.
water washing
D.
flame heating
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