The management system of the rapid transit rail lines ______.A.is already quite developedB
The most______(convince)evidence of black holes comes from research into binary star systems.
Language change is ______.
A.universal, continuous and to a large extent, regular and systematic.
B.continuous, regular, systematic, but not universal.
C.universal, continuous, but not regular and systematic.
D.always regular and systematic, but not universal and continuous.
These mine planets ,together with the sun ,make up what _______(call) our solar system.
Which of the following statements is NOT true about language?
A.Language is a sound system.
B.Language must have both spoken form. and written form.
C.Language is a set of symbols.
D.Language is systemic.
●An Embedded System is a (72)designed for specific control functions within a larger system.
(72) A. computer
B. program
C.computer system
D.tool
A.start();}}下列关于程序运行结果的说法中,正确的是()
B.1处出现编译错误
C.2处出现编译错误
D.出现运行错误
E.程序正常执行输出thisisrun()
According to the passage, what could be an efficient way to use water?
A.Adopting the system of water right owned by the government.
B.Charging for water in places where water is becoming scarcer.
C.Taking political measures to interfere with the water issue.
D.Making it a free market for people to trade water-usage rights.
To which of the following would the author most probably agree?
A.The British welfare system indulges jobseekers’ laziness.
B.Osborne’s reforms will reduce the risk of unemployment.
C.The jobseekers’ allowance has met their actual needs.
D.Unemployment benefits should not be made conditional.
In _____ the control action is independent on(of) the output.
A.a closed loop control system
B.an open loop control system
C.a boiler control system
D.a steering gear control system
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