战国末期,与秦国发生战争的楚国其当时的君主是:()A、楚怀王B、楚庄王C、楚昭王D、

题型:单项选择题

问题:

战国末期,与秦国发生战争的楚国其当时的君主是:()

A、楚怀王

B、楚庄王

C、楚昭王

D、楚霸王

考点:历史学简明中国古代史简明中国古代史题库
题型:单项选择题

推土机行走无力的原因()

A.工作泵坏

B.变速箱内漏

C.分配阀坏

D.转向机坏

题型:单项选择题
Jenna, a popular girl from Westwood Middle School, had graduated first in her class and was ready for new  1  in high school.
2 , high school was different. In the first week, Jenna went to tryouts(选拔赛)for cheerleaders(啦啦队队员). She was competing against very talented girls, and she knew it would be      3  for her to be selected. Two hours later, the   read a list of the girls for a second tryout. Her heart   as the list ended without her name. Feeling  6 , she walked home carrying her schoolbag full of homework.
Arriving home, she started with math. She had always been a good math student, but now she was  . She moved on to English and history, and was  to find that she didn’t have any trouble with those subjects. Feeling better, she decided not to   math for the time being.
The next day Jenna went to see Mrs. Biden about being on the school    10  . Mrs. Biden wasn’t as 11   as Jenna. “I’m sorry, but we have enough 12   for the newspaper already. Come back next year and we’ll talk then.” Jenna smiled 13  and left. “Why is high school so  14  ?” she sighed.
Later in 15  class, Jenna devoted herself to figuring out the problems that had given her so much  16  . By the end of class, she understood how to get them right. As she gathered her books, Jenna decided she’d continue to try to 17   at her new school. She wasn’t sure if she’d succeed, but she knew she had to  18 . High school was just as her mom had said: “You will feel like a small fish in a big pond  19 a big fish in a small pond. The challenge is to become the   20  fish you can be.”
小题1:
A.processesB.exercisesC.challengesD.decision
小题2:
A.ThereforeB.BesidesC.OtherwiseD.However
小题3:
A.difficultB.interestingC.boringD.easy
小题4:
A.editorB.judgeC.candidateD.boss
小题5:
A.jumpedB.racedC.stoppedD.sank
小题6:
A.strangeB.lonely C.awfulD.happy
小题7:
A.strugglingB.complaining C.workingD.improving
小题8:
A.ashamedB.relieved C.shockedD.disappointed
小题9:
A.put upB.give up C.worry aboutD.prepare for
小题10:
A.committeeB.team C.radioD.newspaper
小题11:
A.enthusiasticB.realisticC.sympatheticD.artistic
小题12:
A.speakersB.writersC.cheerleadersD.readers
小题13:
A.widelyB.brightly C.excitedlyD.weakly
小题14:
A.similarB.familiarC.differentD.ordinary
小题15:
A.physicsB.math C.EnglishD.history
小题16:
A.pleasureB.sorrowC.troubleD.hope
小题17:
A.fit inB.get around C.stay upD.look out
小题18:
A.swimB.escapeC.askD.try
小题19:
A.in return forB.instead ofC.in terms ofD.in case of
小题20:
A.slimmestB.gentlestC.bestD.smallest
题型:单项选择题

河长制坚持以()为导向。

A.目标

B.问题

C.政策

题型:单项选择题

船舶通过岛礁区狭窄流急的航门水道时,尽可能在()。

A.水深变化不大处

B.水深变化显著处

C.水深变化无规律处

D.都可以

题型:单项选择题

狗体细胞内含有39对染色体,狗的毛色深浅与黑色素合成有关。B基因控制真黑色素合成,b基因控制浅黑色素合成,基因型为BB、Bb的狗分别表现为黑色、棕色,基因型为bb的狗表现为黄色。同时,狗的体色还受E、e基因的影响,当E存在时,真黑色素能够正常合成,e基因导致真黑色素不能合成,这两对基因分别位于第12号和第19号染色体上。请回答下列问题:

若第(2)小题中的两只狗再次杂交,生出一只黑色狗的概率是()。

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