The translator must have an excellent, up-to-date knowledge of his source languages, full【C1】______in the handling of his target language, which will be his mother tongue or language of【C2】______use, and a knowledge and understanding of the【C3】______subject-matter in his field of specialization. This is, as it were, his professional equipment.【C4】______this, it is desirable that he should have an【C5】______mind, wide interests, a good memory and the ability to【C6】______quickly the basic principles of new developments. He should be willing to work【C7】______his own, often at high speeds, but should be humble enough to consult others【C8】______his own knowledge not always prove【C9】______to the task in hand. He should be able to type fairly quickly and accurately and, if he is working mainly for publication, should have more than a nodding【C10】______with printing techniques and proofreading. If he is working basically as an information translator, let us say, for an industrial firm, he should have the flexibility of mind to enable him to【C11】______rapidly from one source language to another, as well as from one subject-matter to another,【C12】______this ability is frequently【C13】______of him in such work. Bearing in mind the nature of the translator"s work, i.e. the processing of the written word, it is, strictly speaking,【C14】______that he should be able to speak the languages he is dealing with. If he does speak them, it is an advantage【C15】______a hindrance, but this skill is in many ways a luxury that he can do away with. It is,【C16】______, desirable that he should have an approximate idea about the pronunciation of his source languages【C17】______this is restricted to knowing how proper names and place names are pronounced. The same【C18】______to an ability to write his source languages. If he can, well and good; if he cannot, it does not【C19】______. There are many other skills and【C20】______that are desirable in a translator.

【正确答案】 A

【答案解析】解析：此空所在从句表假设条件，即“当其本身知识——手头的任务时，他应该要能够谦虚地向别人请教”，根据常识，一般是在自己无法胜任或者不懂的时候才需要向别人请教。A项adequate“充足的，足够的；适当的，胜任的”代入此空，表示“当自身知识不足以应付手上的任务时”，语义通顺，故本题选A。

【正确答案】 C

【答案解析】解析：从句子结构来看，此空所在句的主句应该是he should have the flexibility of mindto enable．．．。而空格所在部分为一个从句，this ability指的就是主句说译者所需具备的头脑敏捷、快速转换的能力，正是因为工作中需要，所以译者才需要具备这种能力，从句和主句应为因果关系，故选C项since“由于，因为”。