单项选择题


Questions 23 to 25 are based on the conversation you have just heard.

A．Once a week.
B．Five every month.
C．Three every month.
D．Two every month
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单项选择题
A．Because it isn’t closed.B．Because the students have to pass all examinations before entering it.C．Because there is no examination before they are accepted as students.D．Because its door is open.
A．Because it isn’t closed.
B．Because the students have to pass all examinations before entering it.
C．Because there is no examination before they are accepted as students.
D．Because its door is open.
填空题
The passage talks mainly about the studying of a live giant squid by American scientists.
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