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【简答题】
千分尺的分度值是 , 百分表的分度值是 , 千分表的分度值是 。
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【单选题】We were swimming in the lake it suddenly started to rain.
A.
where
B.
when
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【单选题】We were swimming in the lake suddenly the storm started.
A.
When
B.
while
C.
until
D.
before
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【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
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【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}
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【单选题】To memorize names of people is not only an important social skill but also a highly recommended_____.
A.
reference
B.
plot
C.
resource
D.
practice
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【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
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【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?
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【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}
查看完整题目与答案
【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 。
查看完整题目与答案
【单选题】We were swimming in the lake _____ suddenly the storm started.
A.
when
B.
until
C.
while
D.
before
查看完整题目与答案
相关题目：
【单选题】We were swimming in the lake it suddenly started to rain.
A.
where
B.
when
查看完整题目与答案
【单选题】We were swimming in the lake suddenly the storm started.
A.
When
B.
while
C.
until
D.
before
查看完整题目与答案
【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
查看完整题目与答案
【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}
查看完整题目与答案
【单选题】To memorize names of people is not only an important social skill but also a highly recommended_____.
A.
reference
B.
plot
C.
resource
D.
practice
查看完整题目与答案
【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
查看完整题目与答案
【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?
查看完整题目与答案
【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}
查看完整题目与答案
【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 。
查看完整题目与答案
【单选题】We were swimming in the lake _____ suddenly the storm started.
A.
when
B.
until
C.
while
D.
before
查看完整题目与答案