按《伯杰氏系统细菌学手册》（2000)所载，古生菌界可分______和______两个门。

Which of the following would most likely be the topic of the next paragragh？

A．A scientific explanation of acoustics and the nature of sound.

B．A description of people's reactions to the newly renovated hall.

C．A discussion of the coffee shop that once was located in the building.

D．Further discussion about the activities of Isaac Stern in 1960.

years is" ______.

A．possibly due to human activities

B．possibly because human activities

C．due to likely human activities

D．human activities likely attributable

years is"______.

A．possibly due to human activities

B．possibly because human activities

C．due to likely human activities

D．human activities likely attributable

years is"______.

A．possibly due to human activities

B．possibly because human activities

C．due to likely human activities

D．human activities likely attributable

lf in,the language activities he is most likely to take part in,the functions of language that are most useful ,the topics that are important and common and the general notions which he might need to express？()

A. Structural syllabus.

B. Communicative syllabus.

C. Situational syllabus.

Which of the following speaking activities is most controlled？()

A. Prompted dialogue.

B. Scrambled dialogue.

C. Discussion.

The passage would most likely be found in a textbook on which of the following subjects？

A．Astronomy.

B．Botany.

C．Geology.

D．Chemistry.

Which of the following group of people is most likely to be interested in the talk？

A．Tourists.

B．Mountaineers.

C．Poachers.

D．Businessmen.

The passage would most likely be found in a textbook on which of the following subjects？

A．Astronomy.

B．Botany.

C．Geology.

D．Chemistry.