听力原文：M: I just went to watch the sunrise at the seaside.
W: Why didn't you tell me？ It's five years since I last saw it.
What do we know about the woman？
A．She has never seen a sunrise.
B．She wants to watch the sunrise again.
C．She went to the seaside with the man.

What is the main purpose to the talk？
A．To test the students' ability to understand chemistry
B．To explain different kinds of chemical processes
C．To list the jobs available to chemistry graduates
D．To introduce the students to the study of chemistry

Which of the following can be inferred from the passage？
A．Greater percentage of women are advancing professionally in the US than previously.
B．Professional men refuse to accompany their female colleagues on business trips.
C．Each year there are more female tourists in the United States.
D．Business women become successful by showing a willingness to travel alone.

听力原文：M: Ann, do you and your husband plan to have many children？
W: Only two. It's expensive to have a big family now.
What do we know about the woman？
A．She has already had two children.
B．She does not want to have any children.
C．She does not want to have a big family.

why does the professor say this:
A．To show how major parties usually deal with the same issues
B．To suggest that both parties should give education more attention
C．To contrast the philosophy and methods of opposing parties
D．To point out which party is more concerned with education

What physical features are characteristic of birds that eat insects？ Click on two answers．
A．A thick, cone-shaped bill
B．A slender,tweezer-like bill
C．Strong jaw muscles
D．A long, sticky tongue