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【单选题】
以下程序的输出结果是 ( ) enum weekday {sun=7,mon=1,tue,wed,thu,fri,sat}; main( ) { enum weekday workday,week_end; int i,a [8]; workday=tue; week end=sun; pritnf('/ntuesday=%d sunday=%d', wotkday, week_end); workday=sun+tue; week_end=(enum weekday)3; printf ('tuesday=%d sunday=%d', workday week_end); a[sun]=sun; a[mon]=mon a[tue]=tue; a[wed]=wed; a[thu]=thu; a[fri]=fr; a[sat]=sat; for(i=1i<7;i+ +) printf('%d',a [i]); }
A.
tuesday=2 sunday=7;tuesday=2 sunday=7;1 2 3 4 5 6 7
B.
tuesday=2 sunday=7;tuesday=9 sunday=3;1 2 3 4 5 6 7
C.
tuesday=0 sunday=7;tuesday=2 sunday=3;1 2 3 4 5 6 7
D.
tuesday=1 sunday=2;tuesday=3 sunday=4;1 2 3 4 5 6 7
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【简答题】If you want to enjoy better picture and sound quality, it is recommended that you use the ______ video cassette tapes.
【单选题】If you want to enjoy yourself on Sunday mornings, you can go to ______.
A.
Landsdowne Park Shopping Centre
B.
New York Museum
C.
The Hangar Den
D.
Coffee Shop
【单选题】当线岔处两支均为工作支时,在两接触线相距500mm处侧线线岔两接触线高差的限界值不大于( )。
A.
(A)20mm
B.
(B)30mm
C.
(C)50mm
D.
(D)80mm
【判断题】座位数是卡拉OK接待能力最直接的衡量尺度,一般要尽量有效地扩大座位区。
A.
正确
B.
错误
【单选题】两接触线工作支在相距 500mm 处时,侧线应高于正线( )mm。
A.
1~3
B.
5~10
C.
3~5
D.
10~30
【单选题】()柔性线岔中,由正线与侧线组成道岔时,两工作支在相距500mm处接触线应等高,允许侧线高于正线接触线mm。
A.
5~10
B.
10~15
C.
15~20
D.
20~25
【单选题】It is known to us all that the People’s Republic of China ______ on October 1, 1949.
A.
was founded
B.
was found
C.
founded
D.
is found
【单选题】当线岔处两支均为工作支时,在两接触线相距500mm处正线线岔侧线接触线比正线接触线高的限界值为( )。
A.
(A)0~30mm
B.
(B)10~30mm
C.
(C)0~20mm
D.
(D)10~20mm
【单选题】当线岔处两支均为工作支时,在两接触线相距500mm处侧线线岔两接触线的高差的安全值不大于()。
A.
20mm
B.
30mm
C.
50mm
D.
80mm
【单选题】当线岔处两支均为工作支时,在两接触线相距500mm处侧线线岔两接触线高差的限界值不大于()。
A.
20mm
B.
30mm
C.
50mm
D.
80mm
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