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【单选题】
It can be inferred from the fifth paragraph that .
A.
fat people need to have higher blood pressure to sustain the circulation
B.
thin people rarely suffer from hypertension
C.
obesity is doctors' first concern in treating hypertension
D.
hypertensives have a much bigger blood volume than normal people
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举一反三
【单选题】The police think the fire was started ___________.
A.
affirm
B.
agony
C.
at ength
D.
glimpse
E.
on urpose
F.
presence
G.
radical
【多选题】页边距包括哪些?
A.
上边距
B.
下边距
C.
左边距
D.
右边距
【简答题】设η是欧氏空间中一单位向量,定义T(α)=α-2(η,α)η.证明: (1)T是正交变换,这样的正交变换称为镜面反射; (2)T是第二类的(即T对应的矩阵的行列式为-1); (3)如果n维欧氏空间中,正交变换T以1作为一个特征值,且属于特征值1的特征子空间V1的维数是n-1,则T是镜面反射.
【多选题】文档的页面设置是页边距包括哪些内容?
A.
B.
C.
D.
【单选题】下列哪组切牙舌面容易出现裂沟,好发龋坏?
A.
上颌中切牙
B.
下颌中切牙
C.
上颌侧切牙
D.
下颌侧切牙
【单选题】The police were delayed by the _________ of information about the crime.
A.
absent
B.
absence
C.
present
D.
presence
【单选题】The film star claimed that the police action was a(n) _____ on her private life.
A.
assure
B.
intrusion
C.
presence
D.
function
【单选题】通过微型计算机的电流大约为()A。
A.
1
B.
2
C.
2.5
D.
3
【简答题】Passage One Questions 46 to 50 are based on the following passage. Police officers may hope that their presence in schools will help them build strong relationships with students, improving police-com...
【简答题】According to the drive anger scale (DAS), _____ types of situations can provoke drive anger, and they are hostile gestures, police presence,________,________,________, and_______.
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