27. Overall there are more speakers of Chinese than of ___________28. The boundaries of a speech community may be different from ___________ .29. People who live in different places may belong to ___________ .30. Many people learn English as ___________ . 27（）
A. a second language
B. the same language
C. the same speech community
D. any other language
E. national boundaries
F. a part of one’s heritage
查看答案
开放出国旅游目的地国家和地区，主要应符合哪些条件？
讲chimpanzee黑猩猩的行为研究。 Another conclusion of the passage:
A. Modify these behaviors over generations
B. adapt to the environment
C. chimpanzee is slower than human in every different ways
所谓承诺，是指要约人同意要约的意思表示。（）
A. 对
B. 错
国有旅游资源的所有权与经营权不得分离。（）
A. 对
B. 错
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