单项选择题 言语交际的”安全原则”，关键在于”少说话，少惹祸”。

未知题型 The word 'innocuous'(last sentence, paragraph 4) is closest in meaning toD.harmful

单项选择题 非语言交际是在特定的情景或语境中使用非语言行为交流和理解信息的过程。即非语言交际是通过使用不属于语言范畴的方法来传递信息、表达思想的过程，其交际方式包括了眼神、表情、身势、手势、体距、沉默、服饰、时空利用、副语言等。

判断题 阳台储物柜的材质有很多，铁质储物柜比较坚固，是最佳选择。

未知题型 The history of modern pollution problems shows that most have resulted from negligence and ignorancE.We have an appalling tendency to interfere with nature before all of the possible consequences of our actions have been studied in depth. We produce and distribute radioactive substances, synthetic chemicals and many other potent compounds before fully comprehending their effects on living organisms. Our education is dangerously incompletE.It will be argued that the purpose of science is to move into unknown territory, to explore, and to discover. It can be said that similar risks have been taken before, and that these risks are necessary to technological progress.These arguments overlook an important element. In the past, risks taken in the name of scientific progress were restricted to a small place and brief period of timE.The effects of the processes we now strive to master are neither localized nor brieF.Air pollution covers vast urban areas. Ocean pollutants have been discovered in nearly every part of the worlD.Synthetic chemicals spread over huge stretches of forest and farmland may remain in the soil for decades and years to comE.Radioactive pollutants will be found in the biosphere for generations. The size and persistence of these problems have grown with the expanding power of modern sciencE.One might also argue that the hazards of modern pollutants are small compared with the dangers associated with other human activity. No estimate of the actual harm done by smog, fallout, or chemical residues can obscure the reality that the risks are being taken before being fully understooD.The importance of these issues lies in the failure of science to predict and control human intervention into natural processes. The true measure of the danger is represented by the hazards we will encounter if we enter the new age of technology without first evaluating our responsibility to environment.Which of the following adjectives may best describe the tone of this text?A.UnconcerneD.B.Humorous.C.Serious.D.ExaggerateD.

未知题型 As used in the second sentence of the first paragraph, the phrase 'in depth' meansA.fully and thoroughly.B.distantly and remotely.C.seriously and extent.D.strongly and unpleasantly.

单项选择题 跨文化交际能力可分为交际能力和跨文化能力。交际能力包括：语言能力、语用能力和策略能力。三者相互联系，相互制约，协调工作。跨文化能力包括：对文化差异的敏感性、宽容性以及处理文化差异的灵活性，文化差异的敏感性是指文化差异的识别能力；宽容性是指对异国文化的理解和尊重；处理文化的差异的灵活性涉及两个方面，一是交际者根据对方文化的背景灵活调整自己的交际行为，使交际取得预期效果的能力，二是处理由文化差异而引起交际冲突的能力。

未知题型 By saying 'from the point of view of evolution, human beings are very young children indeed'(paragraph 3), the author meansA.very young children are not civiliseD.B.evolution does not help civilization forwarD.C.human beings are still at the beginning of their life on earth.D.human beings have learnt very little in a very long timE.

单项选择题 如何删除数组的最后一个元素() (3分) A. array_del B. array_push C. array_key D. array_pop

未知题型 The real reason for ChoicePoint's fast expansion is thatA.it collects and sells personal information.B.it has acquired nearly 60 firms since 1997.C.the industry is largely unregulated by the government.D.the information it provides is useful to many.