根据基础高度hb确定可能坠落范围半径R。当2m≤hb≤5m时，R为（）m。A、3 B、

按我国抗震设防水准，下列关于众值烈度的叙述正确的是( )。

A．众值烈度与基本烈度实际上是相等的

B．众值烈度的地震加速度比基本烈度的地震加速度约低0.15g

C．遭遇众值烈度地震时设防目标为建筑处于正常使用状态

D．众值烈度是该地区50年内地震烈度的平均值

关于核心商圈的表述，下列说法正确的有（）。

A、处于核心商圈的顾客来店频率最高。

B、小型店铺的核心商圈在0.8公里以内。

C、小型店铺的核心商圈，顾客来店在10分钟以内。

D、以上答案都正确。

双头鹰外交

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 lingua-ism, 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 sam0e 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.