皮皮学,免费搜题
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搜题
【多选题】
下列费用中,应计入“财务费用”账户的有( )。
A.
银行手续费
B.
运杂费
C.
福利费
D.
短期借款的利息支出
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
举一反三
【简答题】已知x为实数,且x 2 + 1 x 2 =3,则x 3 + 1 x 3 的值是______.
【单选题】已知函数f(x)=x- x -1,g(x)=x+2 x ,h(x)=x+lnx,零点分别为x 1 ,x 2 ,x 3 ,则(  )
A.
x 1 <x 2 <x 3
B.
x 2 <x 1 <x 3
C.
x 3 <x 1 <x 2
D.
x 2 <x 3 <x 1
【简答题】1993年,Bawendi教授等人首次报道利用 (方法)合成出高质量的量子点。
【单选题】已知x 1 ,x 2 是方程x 2 +3x=4的两根,则(  )
A.
x 1 +x 2 =-3,x 1 ?x 2 =-4
B.
x 1 +x 2 =3,x 1 ?x 2 =4
C.
x 1 +x 2 =-3,x 1 ?x 2 =4
D.
x 1 +x 2 =3,x 1 ?x 2 =-4
【单选题】已知函数f(x)=x+2 x ,g(x)=x+lnx, 的零点分别为x 1 ,x 2 ,x 3 ,则x 1 ,x 2 ,x 3 的大小关系是 [     ]
A.
x 1 <x 2 <x 3
B.
x 2 <x 1 <x 3
C.
x 1 <x 3 <x 2
D.
x 3 <x 2 <x 1
【单选题】已知函数f(x)=x+2 x ,g(x)=x+lnx,h(x)=x 3 +x-2的零点分别为x 1 ,x 2 ,x 3 ,则(  )
A.
x 3 <x 1 <x 2
B.
x 1 <x 3 <x 2
C.
x 2 <x 3 <x 1
D.
x 1 <x 2 <x 3
【单选题】According to the passage, false beards were worn by those who considered themselves to be ______.
A.
handsome and mature
B.
too young to have beards
C.
aristocrats or fashionable dandies
D.
royalty
【单选题】In former times doctors in Taiwan, who were considered saviors, were greatly admired. This is not only because they were able to relieve sick people of their pain and save their lives, but because the...
A.
Because they were a group of qualified doctors
B.
Because they ranked first in wealth
C.
Because they were able to cure the sick of poverty
D.
Because they were the doctors with medical morals as well as medical skill
【单选题】已知x- 1 x =3,则-x 2 +3x的值为(  )
A.
1
B.
-1
C.
-3
D.
3
【简答题】已知:x 1 、x 2 是方程x 2 +4x-3=0的两根,则 1 x 1 + 1 x 2 =______.
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