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【单选题】
高锰钢为常用难切削材料之一,切削时的切削速度应为 ( ) 。A.
20m/min
B.
120m/min
C.
100m/min
D.
150m/min
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举一反三
【单选题】______ a language family is a group of languages with a common origin and similar vocabulary, grammar, and sound system.
A.
What linguists call
B.
It is called by linguists
C.
Linguists call it
D.
What do linguists call
【单选题】作者认为地面下运转的情形不一,地面上各地居民受其影响的情况也各不相同,各具特殊性。下面哪个选项最能概括这个现象?
A.
不要把鸡蛋放进一个篮子
B.
到什么山唱什么歌
C.
一方水土，养一方人
D.
东方不亮西方亮
【单选题】Prior to the 20th century, many languages with small numbers of speakers survived for centuries. The increasingly interconnected modern world makes it much more difficult for small language communitie...
A.
an increasingly interconnected world
B.
maintaining small numbers of speakers
C.
relatively isolated language communities
D.
following the tradition of the 20th century
【单选题】Prior to the 20th century, many languages with small numbers of speakers survived for centuries. The increasingly interconnected modern world makes it much more difficult for small language communitie...
A.
in the interconnected modern world
B.
in relatively isolated language communities
C.
if cultural groups wish to keep their native languages
D.
if minority language speakers insist on using their own languages
【单选题】Although ______ are simplified languages with reduced grammatical features, they are rule-governed, like any human language.
A.
vernacular languages
B.
Creoles
C.
pidgins
D.
sociolects
【单选题】Languages with _____ generally possess a much larger number of devices of overt gender marking.
A.
Social gender
B.
grammatical gender
C.
cultural gender
D.
lexical gender
【多选题】Examples of“gender languages” or “languages with grammatical gender”are ____.
A.
German
B.
Italian
C.
French
D.
Russian
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