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【单选题】
有如下结构体类型的声明,请判断: (1)struct mm{ int x,y; struct mm b1;}; (2)struct mm{ int x,y; struct mm *p;};A.
(1)正确，(2)不正确
B.
(1)(2)都正确
C.
(1)不正确，(2)正确
D.
(1)(2)都不正确
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【单选题】The English first attempted to settle in Maine at the mouth of the Kennebec River in 1607.
A.
edge of
B.
elbow in
C.
entrance to
D.
source of
【判断题】报文交换是指以报文为单位进行存储与转发的交换方式。终端发出的报文,由始发端交换机或人工座席接收并存储,然后根据报文报头所标识的被叫终端地址选择合适的路由把报文转送发出,直至到达被叫终端。
A.
正确
B.
错误
【单选题】Changjiang River is the first river in China.
A.
long
B.
longer
C.
longest
D.
the longest
【简答题】Despite the rise in the unemployment rate and the inflation rate，the rate of GDP growth continued to grow．
【单选题】unemploy
A.
a creator of great skill in the manual arts
B.
physically or spiritually homeless or deprived of security
C.
lay off
D.
process or result of becoming less or smaller
【多选题】Ocean freight rate may be broadly divided into tramp rate and liner freight rate. Tramp rate including( ).
A.
fixed cost
B.
variable cost
C.
insurance cost
D.
fuel cost
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