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问题 单项选择题

一次污染物是指（）

A.由污染源直接排入环境中的化学性污染物，其理化性状保持未变

B.由污染源直接排入环境中的化学性污染物，发生了一些物理性变化

C.由污染源直接排出的化学污染物，进入环境后与其他物质发生了反应

D.这种污染物不是直接从污染源排放到环境中的，而是原来就存在于环境中的化学物

E.以上都不对

答案

参考答案：B

填空题

A good translator is by definition bilingual. The opposite is not ______(1) true, however. A born and bred bilingual will still need two__________(2) to become a translator: first, the skills and experience necessary for__________(3); second, knowledge of the field in which he or she will__________(4). The skills and experience for translation include the ability to write ______(5) in the target language, the ability to read and understand the_________(6) language material thoroughly, and the ability to work with the latest__________(7) and communication hardware and software.Does a born and bred bilingual__________(8) a better translator than someone who learned language B later in__________(9) There is no definite answer, but the following issues are important.__________(10), a born and bred bilingual often suffers from not truly knowing __________(11) language well enough to translate, with some even suffering from what __________(12) known as a lingualism, a state in which a person lacks_________(13) full, fluent command of any language. Second, born and bred bilinguals__________(14) don’’t know the culture of the target language well enough to_________(15) top-quality translations, or cannot recognize what aspects of the source language__________(16) its culture need to be treated with particular care, as they_________(17) in a sense too close to the language. And last, they often_________(18) the analytical linguistic skills to work through a sticky text.On_________(19) other hand, the acquired bilingual may not have the same in-depth _________(20) of colloquialisms, slang, and dialect that the born bilingual has. Also, the acquired bilingual will not be able to translate as readily in both directions (from B to language A and A to language B). Finally, born bilinguals often have a greater appreciation of the subtleties and nuances of both their languages than someone who learns their B language later in life can ever hope to have.
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单项选择题 A1/A2型题

女性，35岁。反复上腹痛2年，近1周出现夜间痛，进食可缓解，1小时前突发上腹部持续性剧烈疼痛，迅速转移至全腹。查体：肝浊音界消失。该患者的诊断是（）

A.十二指肠溃疡穿孔

B.胃溃疡穿孔

C.急性胆囊炎

D.急性阑尾炎

E.急性胰腺炎
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