更多"The water was ______ for several ho"的相关试题:
[单项选择]The woman admitted, after several hours of being questioned, ______ someone else's credit card.
A. used
B. has used
C. having used
D. being used
[单选题] Several hours before passengers arrive for the flight of the day, ( ) at the airport are preparing the aircraft.
A. the ground and flight crews
B. only the ground crew
C. only the flight crew
D. the ground crew and technical staff
[单项选择]while和do-while循环的主要区别是( )。
A. do-while的循环体至少无条件执行一次
B. while的循环控制条件比do-while的循环控制条件更严格
C. do-while允许从外部转到循环体内
D. do-while的循环体不能是复合语句
[单选题]_______ is the changing of liquid water to invisible water vapor.
A.Condensation
B.Evaporation
C.Sublimation
D.Melting
[单项选择]When does the professor have office hours
A. Mondays.
B. Wednesdays.
C. Fridays.
D. Monday through Friday.
[单项选择]A container with several consignments from various shippers is normally called( ).
A. FCL
B. LCL
C. D/R
D. M/R
[单项选择]
The work breakdown structure comprises several levels of decomposition of the total project. The lowest level ofdefinition is always the（）.
A. planning element
B. work package
C. subtask
D. working interface
[单项选择]
A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication, TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocolis to create a (2) and error-control mechanism at the transport level. TCP uses a sliding(3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve(4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.
空白（1）处应选择（）
A. numbers
B. connections
C. diagrams
D. resources
[单项选择]对于while、do…while循环结果说法正确的是 ______。
A. 只是表达形式不同
B. do…while结构中的语句至少执行—坎
C. while结构中的语句至少执行一次
D. 条件成立时，他们有可能一次也不执行
[单项选择]下列while循环的次数是( )。
while(int i=0)i--；
A. 0
B. 1
C. 5
D. 无限
[单项选择]C++语言中while循环和do．．．while循环的主要区别是( )。
A. do．．．while的循环体至少无条件执行一次
B. while的循环控制条件比do．．．while的循环控制条件严格
C. do．．．while允许从外部转到循环体内
D. do．．．while的循环体不能是复核语句
