【单选题】【消耗次数：1】
某药的半衰期为10小时，一次给药后体内基本消除的时间是
①
约20小时
②
约30小时
③
约50小时
④
约70小时
⑤
约80小时
参考答案：
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随机题目
【单选题】
—Whenshallwemeetagain?—Makeit_____dayyoulike.Itsallthesametome.
①
this
②
that
③
other
④
any
【单选题】
IfyouwanttoimproveyourEnglish,youdbetterpractice______iteveryday.
①
speak
②
tospeak
③
speaking
④
spoken
【单选题】
—Imafraidhisradioistoonoisy.Willyouplease_____himtoturnitdown?—Sure.
①
make
②
let
③
ask
④
keep
【单选题】
IfIhad_______,I’dvisitEurope,stoppingatallthesmallinterestingplaces.
①
alongenoughholiday
②
anenoughlongholiday
③
aholidayenoughlong
④
alongholidayenough
【单选题】
---MarryChristmas!---___________.
①
Oh,thankstoyou!
②
HappyNewYear!
③
Thesametoyou!
④
Inevercelebrateit!
【单选题】
Itisover_______fromShijiazhuangtoBeijing.
①
threehoursdrive
②
threehoursdrive
③
threehoursdrives
④
threehoursdrive
【单选题】
Mr.Yangisverybusy.He_____twelvehoursaday.Hewillcallyouassoonashe___back.
①
works;gets
②
isworking;get
③
works;isgetting
④
isworking;willget
【单选题】
Thelawrequiresthatallthecarowners____theircarstestedtwiceayear.
①
has
②
have
③
had
④
willhave
【单选题】
Dobecareful!Themanishard________.
①
dealingwith
②
tobedealtwith
③
todealwith
④
fordealingwith
【单选题】
─Doyouknowthewomanoverthere?─Yes,Shes_______aunt?
①
TimandTom
②
TimsandTom
③
TimsandTom
④
TimandToms