单项选择题

Questions 26 to 29 are based on the passage you have just heard.

A．They are looked after by animal-care organizations.
B．They sacrifice their lives for the benefit of humans.
C．They look spotlessly clean throughout their lives.
D．They are labeled pet animals by the researchers.

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热门试题

单项选择题

Google claims its plan for the world’s biggest online library is______.

A．to save out-of-print books in libraries
B．to encourage reading around the world
C．to promote its core business of searching
D．to serve the interest of the general public

单项选择题

A．It publishes magazinesB．It is engaged in product design.C．It sponsors trade fairs.D．It runs sales promotion campaigns.

A．It publishes magazines
B．It is engaged in product design.
C．It sponsors trade fairs.
D．It runs sales promotion campaigns.