满足条件|2z+1|=|z+i|的复数z在复平面上对应点的轨迹是( )。

题型:填空题

问题:

满足条件|2z+1|=|z+i|的复数z在复平面上对应点的轨迹是(    )。

考点:复数的概念及几何意义
题型:填空题

写出句子中画线词语的近义词。

(1)在一片欢笑声中,我了解到这个西瓜不平常(  )的来历。

(2)战士们都笑着,用两个指头捏起一小片来,细细地端详(  )着。

题型:填空题

某历史兴趣小组准备去实地探访古代“丝绸之路”,他们不应该去的省份是(   )

A.四川

B.陕西

C.甘肃

D.新疆

题型:填空题
Dad was not only my best friend, but my compass (指南针). While he was alive, he  36  me with his actions and advice. He taught me one important  37 : “Believe in yourself.”
If there was one phrase my dad  38  liked to hear, it was “I can’t.” He never got to finish high school and  39  two jobs to support his large family,  40  he never complained. Through education and years of hard work, my dad became an excellent journalist.
When I was in high school, I had a  41  time with math. He tried to help me, but I  42 struggled. So my math teacher suggested I meet with him at 7:00 each morning before school for  43  help. I told Dad, “That’s  44 ! I’m tired! I can’t do that!” He replied, “You’re doing it. I’ll send you to school.” Every morning at 6:45, we’d leave the  45 . Despite (尽管) working 12 hours every day, Dad never once  46  driving me to school.
After months of  47 , I was facing the final exam. I was so  48 . On the day of the final, my dad hugged me and said, “Luke,  49  yourself. You can do it.” His words made me realize I needed to trust in my  50  and in the hours of work I’d  51 . When I got my  52  proudly, the first person I called was my father. He cried, “Yes! You deserved it!”
Even now, whenever I  53  that a task is too much for me, I think back to that exam. No matter how  54  something is, if you’re willing to work, you can succeed. I’m forever  55  to Dad for that lesson.
小题1:
A.understoodB.forgaveC.guidedD.impressed
小题2:
A.historyB.lessonC.skillD.language
小题3:
A.alwaysB.almostC.everD.never
小题4:
A.tookB.lostC.leftD.finished
小题5:
A.soB.orC.butD.and
小题6:
A.goodB.freeC.terribleD.short
小题7:
A.stillB.nearlyC.hardlyD.probably
小题8:
A.realB.practicalC.immediateD.extra
小题9:
A.wonderfulB.crazyC.expensiveD.necessary
小题10:
A.houseB.schoolC.officeD.farm
小题11:
A.suggestedB.riskedC.enjoyedD.missed
小题12:
A.meetingB.testingC.learningD.interviewing
小题13:
A.excitedB.nervousC.happyD.shocked
小题14:
A.stand forB.hold backC.believe inD.look after
小题15:
A.teacherB.luckC.timeD.ability
小题16:
A.wastedB.ignored C.picked upD.put in
小题17:
A.answerB.gradeC.payD.gift
小题18:
A.hopeB.forgetC.worryD.promise
小题19:
A.differentB.importantC.hardD.interesting
小题20:
A.gratefulB.sorryC.politeD.useful
题型:填空题

月经初潮意味着

A.甲状腺和肾上腺功能建立

B.下丘脑性中枢发育成熟

C.卵巢开始排卵和性激素分泌

D.垂体前叶开始分泌促性腺激素

E.下丘脑——垂体——卵巢——子宫轴功能的建立

题型:填空题

当皮肤上沾有碱液时,应立即用清水清洗。

更多题库