右表中公式能反映串、并联电路中电流、电压及电阻的规律,其中适用于串联电路的有__

题型:填空题

问题:

右表中公式能反映串、并联电路中电流、电压及电阻的规律,其中适用于串联电路的有______、______、______.(填序号)

①I=I1+I2②U=U1+U2③R=R1+R2
④I=I1=I2⑤U=U1=U2
1
R
=
1
R1
+
1
R2

考点:串联电路的电压规律电阻的串联串联电路的电流规律
题型:填空题

在如图所示的食物网中有______条食物链,红狐与狼的关系是______和______,该图只表示了生态系统的部分成分,图中表示出的生物成分是______.

题型:填空题

岩浆的主要“源地”位于

A.紧临地壳的软流层中

B.紧临莫霍面的软流层中

C.岩石圈以下的软流层中

D.下地幔上部的软流层中

题型:填空题
完形填空。
     Communicating clearly-to your boss,co-workers,friends,children,and spouse
(配偶)-is a critical part of your success and your __1__ to improve the conditions
you live and work in.Many people think that good communication is born,not __2__,
and that some people are just __3__ good speakers and motivators.They think the
rest of us are just __4__ to sit on the sidelines.
     Communication is a habit.And being a habit it can be __5__ and mastered.It is
__6__ an important habit,in fact,that it __7__ its own step,its own place __8__ the
path to success.
     It's also a little different.__9__ the other good habits you are trying to __10__,
this one is not just about self-directed control and inner focus.__11__ is interaction
outside yourself,with other people,and about the__12__ to judge a situation so that
you __13__ the right thing at the right time.
     Life is about the __14__ with other people: those above us (our boss),those
__15__ us (our colleagues,friends),and those who look up to us (our employees and
children).The __16__ of communication is about how to make __17__ with each
of these groups so that they can help you achieve your __18__,and you,in turn,can
help them achieve theirs.For even though you are on the road to self-improvement,
it's not a __19__ you are taking in a vacuum (真空).
     If you can't communicate with people,you have dramatically __20__your chances
for success.
( )1.A.ability
( )2.A.formed
( )3.A.clearly
( )4.A.supposed
( )5.A.affected
( )6.A.but
( )7.A.deserves
( )8.A.along
( )9.A.Unlike
( )10.A.maintain
( )11.A.Success
( )12.A.explanation
( )13.A.convey
( )14.A.talking
( )15.A.around
( )16.A.nature
( )17.A.friends
( )18.A.results
( )19.A.journey
( )20.A.lost

B.part
B.built
B.naturally
B.devoted
B. created
B.just
B.declares
B.for
B.Like
B.train
B.Communication
B.understanding
B.speak
B.contacting
B.beside
B.craft
B.contact
B.effects
B.route
B.ruined

C.desire
C.produced
C.obviously
C.delighted
C.designed
C.such
C.states
C.with
C.As
C.nourish
C.Habit
C.ability
C.tell
C.mixing
C.under
C.art
C.peace
C.purpose
C.process
C.narrowed

D.intention
D.made
D.simply
D.decided
D.learned
D.so
D.proves
D.on
D.Despite
D.develop
D.Life
D.method
D.transfer
D.dealing
D.by
D.way
D.through
D.goals
D.course
D.worsened

题型:填空题

一般地,把脚本输入于()中。

A.属性面板

B.场景面板

C.动作面板

D.库面板

题型:填空题

平滑系数

更多题库