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搜题
【单选题】
复式记账法对于每项经济业务相等的金额在()中进行登记。
A.
一个账户
B.
两个
C.
全部账户
D.
两个或两个以上相互联系的账户
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皮皮学刷刷变学霸
举一反三
【单选题】We were swimming in the lake suddenly the storm started.
A.
When
B.
while
C.
until
D.
before
【单选题】电路如图 3 - 11 所示,已知电源电动势 E 1 = 6 V 、 E 2 = 1 V , 电源内阻不计, 电阻 R 1 = 1Ω , R 2 = 2Ω , R 3 = 3Ω。则 R 3 上的电流。
A.
3A
B.
2A
C.
1A
D.
5A
【单选题】已知集合A={x|x 2 -4x+3≤0},集合B为函数 y= x-2 的定义域,则A∩B等于(  )
A.
{x|1≤x≤2}
B.
{x|2≤x≤3}
C.
{x|x≥2}
D.
{x|x≥3}
【单选题】By “people skill” the author means _____________.
A.
the inclination to be considerate of others
B.
the capacity to look into other people’s minds
C.
the ability to establish good interpersonal relation
D.
the skills of dealing with different kinds of people
【单选题】We were swimming in the lakesuddenly the storm started.
A.
when
B.
while
C.
until
D.
before
【简答题】如图所示,已知电源电动势 E=2V ,内电阻不计,外电路电阻 R1=1 Ω, R2= Ω, R3=3 Ω, R4=6 Ω。求: A 、 B 、 C 、 D 四点的电位?
【单选题】已知集合A={x|x 2 -5x+6≤0},B={x||2x-1|>3},则集合A∩B=(  )
A.
{x|2≤x≤3}
B.
{x|2≤x<3}
C.
{x|2<x≤3}
D.
{x|-1<x<3}
【简答题】如图3-6所示的电路中,已知电源电动势 E=12V ,电源内阻不计,电阻 R 1 、R 2 两端的电压为2V和 6V ,极性如图所示。那么电阻 R 3 、R 4 、R 5 两端的电压大小分别为 、 和 。
【简答题】计算题:如图所示,已知电源电动势E 1 =6V,E 2 =1V,电源内阻不计,电阻R 1 =1Ω,R 2 =2Ω,R 3 =3Ω,试用支路电流法求各支路的电流。
【单选题】We were swimming in the lake _____ suddenly the storm started.
A.
when
B.
until
C.
while
D.
before
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