Most Americans would prefer to keep their problems themselves, and solve their problems ______ themselves.
A. to; by B. by; to C. for; to D. in; on
The government gave several good ________ for increasing the tax on cigarettes.A.purposesB.reasonsC.questionsD.problems
点击查看答案
［A］ problems ［B］ secrets ［C］ names ［D］ intentions
The new mayor must deal with many()problems.A. superficialB. complexC. goodD. happy
An expert system is a software that(41)specialist knowledge-about a particular domain of(42)and is capable of making(43)decisions with in that domain. Although expert systems typically focus on a very narrow domain, they have achieved dramatic success with(44)problems, This has excited wide spread interest outside the research laboratories from which they emerged.Expert systems have given rise to a set of "knowledge engineering" methods constituting a new approach to design of high performance software system. This new approach represents an(45)change with revolutionary consequences.A．developsB．directoryC．effectD．encapsulatesE．evolutionary
请在（19）处填上最佳答案。[A] problems[B] issues[C] agonies[D] sufferings
Which of the following describes the paradox of the schools?A.Discrepancy between what they say and what they do. B.Differences between teachers' problems and schools' problems. C.Advantages and disadvantages of students’ learning opportunities. D.Students' perception and the reality of their performance on assessments.
We are aware of the 【potential】 problems. A. possible B. global C. ongoing D. central
