男，38岁。心悸，多汗，食欲亢进2个月。体重下降3kg,大便2次/日，糊状。昨夜聚餐，大量饮用可乐，今晨起乏力，下肢无法活动。查体：T37.1°C,P108次/分，R18次/分，BP145/70mmHg,双肺呼吸音清，未闻及干湿性啰音，心律齐，腹软，无压痛。双下肢肌力1级，肌张力明显减弱。实验室检査：血K+2.8mmgl/L，Na+140mmol/L，Glu6.4mmol/L。下列检查对明确病因意义最大的是
A、肾上腺皮质功能B
暂无解析
JackisateacherofEnglish.Heisnotyoung，butheisnotold.Hehasaroundfaceandblackhair.Heistall.Therearefiftystudentsinhisclass.Theyalllikehim.Nowit'sintheafternoon.Look，somestudentsareworkingintheclassroom.Jackisthere，too.HeishelpingthemtostudyEnglish.Heisagoodteacher，andheisagoodfriendofthemall.
()1.WhatdoesJackdo?
A.Heisaworker.
B.Heisateacher.
C.Heisadoctor.
D.He'sanurse.
()2.Whatcolourishishair?
A.It'sblack.
B.Hisheiriswhite.
C.Itisbrown.
D.Hehasyellowhair.
()3.Howmanystudentsarethereinhisclass?
A.Therearefifteenstudentsinhisclass.
B.There'sfifty.
C.Hehasfifty.
D.There'refiftyinit.
()4.Jackisagoodteacher，isn'the?
A.Yes，heisn't.
B.No，heis.
C.Yes，he's.
D.Yes，heis.
()5.Whatarethestudentsdoingintheclassroom?
A.Theyarewalkingthere.
B.Theyaredoingtheirlessons.
C.Theyarehelpingtheirteacher.
three__________(序数词)
两人进行踢毽子比赛，用抛硬币的方法来决定谁先踢是公平的。()
It'stime____playgames.
I’mtenyearsoldandmysisteristwoyearsolderthanme，sosheist_____yearsold。
