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【单选题】
已知一个新运算被定义为(define (newCalcx y) (* (+ x 1)(* y 2)))，问newCalc可以完成的计算功能为_____。A.
(x+1)*2y
B.
(x+1)+2y
C.
(x+1)+(y+2)
D.
(x+1)*(y+2)
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举一反三
【单选题】This boy__________poems two years ago and now he has written many poems. [ ]
A.
tried to write
B.
tried writing C．tried D．tried
【简答题】The little boy tried to (performance) ______ well, but failed last night.
【单选题】The big boy tried to climb through the window of the warehouse, but it's a ______ fit.
A.
smooth
B.
close
C.
tight
D.
stiff
【单选题】Although he tried to focus on homework, the boy was ______ by his favorite cartoon.
A.
distracted
B.
displaced
C.
dispersed
D.
discarded
【单选题】The boy was late. He tried to enter the classroom without being noticed by the teacher, but luck ______ him.
A.
went with
B.
went against
C.
went along
D.
went over
【单选题】When he woke up from his dream, the frightened boy tried to _______ hismother’s arm.
A.
grape
B.
grey
C.
grip
D.
grave
【单选题】—Was the boy saved? —No. The doctors tried their best, _____ they failed. [ ]
A.
and
B.
or
C.
but
D.
so
【单选题】He tried his best to save the _____ boy, but the boy was _____ finally. [ ]
A.
drown; drowning
B.
drowning; drown
C.
drowned; drowning
D.
drowning; drowned
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