图中能说明发电机工作原理的是[ ] A. B. C. D.

题型:选择题

问题:

图中能说明发电机工作原理的是[ ]

A.

B.

C.

D.

考点:电磁感应的应用(动圈式话筒、发电机)
题型:选择题

具有疏肝理气,调经养血作用的常用中成药是()

A.加味逍遥丸

B.七制香附丸

C.定坤丹

D.妇科十味片

E.固经丸

题型:选择题

(8分,每空1分)某元素的原子序数为24,试问:

⑴此元素原子的电子总数是        个。

⑵它有       个电子层,有       个能级。

⑶它的价电子构型是               ,它的价电子数是         

⑷它属于第           周期,是           (填主族或副族)

⑸它的未成对电子有         

题型:选择题

下列哪项不属于阴水的特点是

A.多由下而上,继及全身
B.肿处皮肤绷急光亮
C.按之凹陷不起
D.多逐渐发病
E.小便少赤涩

题型:选择题
完型填空 (共20小题,每小题1分,满分20分)
The sun didn’t come out. The 15 – year – old girl Razeena said goodbye to her mother and left for school. She was thinking about the coming Christmas and   21  the holiday lights at the nearby senior citizens’ apartment   22  she noticed some smoke through the door.
The building is on fire ! She looked around wildly,  23   not a soul was in   24    .
Razeena   25  .“Fire ! ” she yelled, running into the hallway and striking on every door she saw, “Everybody get   26  !” The building had two floors, she pulled herself   27  ,where the thick   28  was hanging just a few feet   29  the floor. She could see pairs of slippered feet——but no one was moving. She   30  they couldn’t see where to go ! “Down here ! and follow me !” she yelled.   31  a sleeve over her mouth, she led the elderly residents (居民) down the stairs.
So she pounded up and down the stairs, weaving through the smoke and heat to   32  more people. “ Take my arm,” she told the extremely   33  residents. Her eyes burned and flames were hissing louder. Finally, she led the last person out.   34  stood on the side walk, dazed and crying. “Thank you so much,” they told her over and over, “ Without you, we never would have   35 .”
When Razeena walked home, shaking and   36  with dirt, mother cried, “ What happened?!”
“ There was a fire…so many people … I think I   37  them all.” She burst into tears, “ I   38  my uniform. I thought you might be mad! ” Mother   39  her head, tears in her eyes, “Oh honey, I’m so   40  of you,” she whispered.
小题1:
A.seeingB.admiringC.lightingD.noticing
小题2:
A.whenB.whileC.asD.for
小题3:
A.andB.soC.butD.however
小题4:
A.publicB.bedC.schoolD.sight
小题5:
A.panickedB.lookedC.delightedD.watched
小题6:
A.upB.downC.outD.in
小题7:
A.downstairsB.upstairsC.forwardD.back
小题8:
A.smokeB.fireC.flameD.dirt
小题9:
A.inB.onC.beyondD.above
小题10:
A.askedB.wonderedC.realizedD.cried
小题11:
A.FoldingB.HoldingC.CuttingD.Finding
小题12:
A.searchB.bringC.careD.fetch
小题13:
A.excitedB.movedC.frightenedD.surprised
小题14:
A.SheB.HeC.YouD.They
小题15:
A.carried outB.made it C.gone aheadD.set free
小题16:
A.coveredB.mixedC.connectedD.pleased
小题17:
A.savedB.satisfiedC.ledD.dismissed
小题18:
A.lostB.injuredC.ruinedD.tore
小题19:
A.droppedB.shookC.noddedD.bent
小题20:
A.thankfulB.tiredC.kindD.proud
题型:选择题

右图是果蝇细胞的染色体组成示意图,以下说法正确的是()

A.该果蝇的一个精原细胞进行减数分裂形成配子时,若1、2未分离,则形成的配子1/2个正常,1/2个不正常

B.染色体3、6之间的交换属于基因重组

C.控制果蝇红眼或白眼的基因位于2号染色体上

D.染色体1、3、5、7组成果蝇的一个染色体组

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