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【简答题】
弹性支承块轨道结构的弹性主要来源于( )和轨下橡胶垫块。
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举一反三
【单选题】Gary was in a fight last night. He ____ (弄断了鼻子).
A.
breaks his nose
B.
broke his nose
C.
had his nose broken
D.
has his nose broken
【判断题】循环结构是程序设计中的三种基本结构之一,再循环结构中重复执行的程序段叫做循环体。
A.
正确
B.
错误
【判断题】Decide whether the following paragraphs are unified or not. My father’s face is rough. His complexion is leathery and wrinkled. There are large pores in the skin that covers his nose and cheeks. His n...
A.
正确
B.
错误
【单选题】He has a broken nose but may be ______ today.
A.
Discharged
B.
Dismissed
C.
Fired
D.
released
【单选题】托尔曼的理论可用公式表示为
A.
R—S
B.
S—R
C.
S—O—R
D.
R—O—S
【单选题】用PV操作解决读者写者问题的正确程序如下: Begin S,sr:semaphore,rc:integer; S=1,sr=1,rc=0; Cobegin PROCESS reader i(i=1,2,...) Begin p(sr); rc:=rc+1; if rc=1 then p(s); v(sr); read file; p(sr); rc:=rc-1; if rc=0 then v...
A.
if rc=1 then p(s);
B.
v(sr);
C.
if rc=0 then v(s);
D.
v(s);
【单选题】全距用( )表示
A.
X
B.
R
C.
Q
D.
S
【单选题】He has a broken nose but may be ______ today.
A.
discharged
B.
dismissed
C.
fired
D.
released
【单选题】结构体程序设计三种基本结构是_____。
A.
递归、迭代和回溯
B.
过程、函数和子程序
C.
顺序、选择和循环
D.
调用、返回和选择
【单选题】在数学中, _____ 表示面积, _____ 表示半径。 [     ]
A.
v, h
B.
h, r
C.
s, r
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