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【单选题】
设f(x)是定义在R上的奇函数,且当x>0时,f(x)=log 2 x.已知 a=f(4),b=f(- 1 5 ),c=f( 1 3 ) ,则a,b,c的大小关系为(  )
A.
a<b<c
B.
c<b<a
C.
b<a<c
D.
c<a<b
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【判断题】东魏和西魏同时并列于中原地区,从各种条件上看东魏远远不如西魏。()
A.
正确
B.
错误
【单选题】在以 1:2 比例绘制的机械图样中,若某尺寸标注为 30 ,则其实际 绘图 尺寸为 ( )。
A.
15mm
B.
30cm
C.
30mm
D.
15cm
【单选题】夏季园林绿地的相对温度较非绿地的高 ____________ 。
A.
、 5 %—— 10 %
B.
、 10 %—— 15 %
C.
、 10 %—— 20 %
D.
、 20 %—— 30 %
【单选题】It can be inferred from the passage that the sin tax is______.
A.
a tax levied to curb unhealthy consumption
B.
the most important source of revenue of British government
C.
a tax levied on the basis of personal income
D.
a tax borne by enterprises rather than consumers
【单选题】When a tax is levied on a good, the buyers and sellers of the good share the burden,
A.
provided the tax is levied on the sellers.
B.
provided the tax is levied on the buyers.
C.
provided a portion of the tax is levied on the buyers, with the remaining portion levied on the sellers.
D.
regardless of how the tax is levied.
【单选题】在以1:2比例绘制的机械图样中,若某尺寸标注为30,则其实际尺寸为:
A.
.30mm
B.
30cm
C.
15mm
D.
15cm
【单选题】最有助于感染性心内膜炎诊断的实验室检查是
A.
血培养
B.
尿常规
C.
血常规
D.
B超
E.
血沉
【单选题】在以1:2比例绘制的机械图样中,若某尺寸标注为30,则其实际尺寸为( )。
A.
60mm
B.
15mm
C.
30mm
D.
30cm
【单选题】Which of the following is not included in the Stamp Act to tax on?
A.
diamond
B.
newspaper
C.
legal document
D.
marriage certificate
【单选题】Which act levied taxes on newspapers, pamphelets and other documents?
A.
Sugar Act
B.
Stamp Act
C.
Intolerable Act
D.
Tea Act
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