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【简答题】
请解释空气的相对运动原理。
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【简答题】已知(R0)=4BH,(A)=84H,片内RAM(4BH)=7FH,(40H)=20H,问执行序后,MOV A,@R0MOV @R0,40HMOV 40H,AMOV R0,#35H结果:(R0)= 、(A)= ,4BH= 、40H=
【简答题】将下列二进制数分别转换为八进制数和十六进制数。 (1) 10101011B    (2) 1011110011B (3) 0.01101011B    (4) 11101010.0011B
【单选题】The number of the students in our class_______45.
A.
are
B.
is
C.
to be
D.
go to
【单选题】He wrote too carelessly, and I can’t ______ his handwriting.
A.
make up
B.
make out
C.
go on
D.
go off
【单选题】( ) 5. Would you like ______ to the park ?
A.
go
B.
to go
C.
went
D.
goes
【简答题】创建字典的 2 种方式分别为 、 。
【简答题】go_________
【单选题】----I usually go there by train. ----Why not _________ by boat for a change?
A.
to try going
B.
trying to go
C.
to try and go
D.
try going
【简答题】单项选择。 Dick will go to see animals ___ May 5. [     ] a. in b. on c. at d. for
【简答题】十六进制的4BH转换成二进制是()。