Dab tsi ntawm kev siv tus nqi yog lub teeb blackboard?
Rau cov niam txiv, cov me nyuam yog tag nrho lawv txoj kev cia siab. Txhua tus niam txiv cia siab tias lawv cov menyuam tuaj yeem loj hlob zoo. Tau kawg, lawv paub lawv cov kev nyuaj siab tsuas yog tom qab dhau los ua niam txiv. Ntau tus neeg ib txwm cia siab tias lawv cov menyuam tuaj yeem loj hlob sai, thiab txawm tias Nws raug xa mus rau cov chav kawm loj. Lub sijhawm no, ntau yam khoom siv hauv tsev tau dhau los ua qhov tseem ceeb, xws li cov teeb pom kev dub, uas muaj txiaj ntsig zoo siv.
Tom qab kev nkag siab, nws pom tias yuav luag txhua chav kawm yuav tsum tau nruab nrog lub teeb pom kev dub. Thaum tav su, lub teeb yuav tsaus heev. Lub sijhawm no, cov menyuam yaus xav kawm ib txwm, kuv ntshai nws yuav nyuaj rau qee yam. Yog tias koj xav tau tiag tiag Yog tias koj saib cov lus ntawm lub blackboard, koj yeej yuav tsum qhib lub teeb blackboard nyob rau lub sijhawm, yog li lub teeb blackboard tau dhau los ua cov khoom siv kho vajtse yooj yim uas tsim cov chav kawm, thiab koj yuav pom nws hauv txhua chav kawm.
Blackboard teeb
Dab tsi ntawm kev siv tus nqi yog lub teeb blackboard? Qhov tseeb, hom teeb no txawv kiag li ntawm cov teeb pom kev zoo. Nws yog ib qho tsim nyog hais tias cov teeb pom kev zoo tib yam tsuas yog siv tau hauv tsev lossis chav pw xwb, tab sis hom chav kawm no tuaj yeem siv rau hauv cov ntawv dub. Lub koob yees duab pem hauv ntej yog siv rau teeb pom kev zoo. Yog tias nws tsaus dhau los yog ci dhau lawm, qhov kev cia siab yuav tsis tau txais, yog li qhov yuav tsum tau ua rau ci ntsa iab yog qhov xav tau heev.
Lub teeb blackboard muaj tus nqi siv siab heev. Yog tias lub teeb sab hauv tsev tsaus dhau thiab muaj qhov cuam tshuam loj, ces txhua tus tuaj yeem tig nws. Tsawg kawg nws tuaj yeem txo qhov teeb meem kev xav txog qee yam. Nyob rau tib lub sijhawm, Nws tseem tuaj yeem pab tib neeg txhim kho cov txiaj ntsig ntawm kev kawm, thiab tom qab ntawd ua tiav lub xeev kev kawm zoo dua. Qhov no yog qhov tshwm sim uas cov neeg feem coob xav pom.
