9．What does the woman think of the man’s grade?

A．It is not a bad grade.

B．It is unfair to the man.

C．She has no opinion.

Questions 10 through 12 are based on the following conversation.

8．What does the woman suggest the man do first?

A．Get his grade changed.

B．Speak to the teacher.

C．Forget about the whole thing.

7．Why is the man so upset if a B is not a bad grade?

A．Because it took him months to finish the project.

B．Because the woman didn’t understand him.

C．Because Ames got an A with less work.

6．What does the man finally decide to do?

A．To entertain himself.

B．To go to the nightclub.

C．To go out for a walk.

Questions 7 through 9 are based on the following conversation.

5．What is the man complaining about?

A．The entrance charge for the nightclub is too high.

B．He is not allowed into the nightclub free.

C．They don’t save tickets for the residents.

4．Which of the following is right according to the conversation?

　 　　 A．Both of them have a lot of money.

　 　　 B．The woman has a lot of money.

　 　　 C．Neither has a lot of money.

　 Questions 5 through 6 are based on the following conversation.

3．　　　　　 here will the man probably go for a holiday?

　 　 A．America or China.　　 B．America or Japan.　　　　　 　 　　 C．Japan or China.

2．What do we know about the man?

　 　 A．He is a manager.　　　　　　　　　　　　　　　　　　　　　　　　　　　 　 　　　

　　　 B．He is a new comer.　　　　 　 　　　　　　　　　　　　　　　　　　

　　　 C．He is late for work.

　 Questions 3 through 4 are based on the following conversation.

1．Where does the conversation probably take place?

　 　 A．In a supermarket.　　　 　　　　　　　　　　　　　　　　　　　　

　　　 B．In an office.　　　　　

　　　 C．In a railway station.

33．(7分)体液免疫的大致过程如右图所示，请根据图回答问题：

(1)大多数病原体经过吞噬细胞等的摄取和处理，暴露出这种病原体所特有的抗原，将抗原传递给T细胞，刺激T细胞产生　　　　 ，T细胞将抗原呈递给B细胞。少数抗原直接刺激B细胞，B细胞受到刺激后，在淋巴因子的作用下，开始一系列的增殖、分化，大部分分化为　

　　　 ，产生抗体，小部分形成　　　 。抗体可以与病原体结合，从而抑制病原体的繁殖或对人体细胞的黏附。

(2)在多数情况下，抗原、抗体结合后会发生进一步的变化，如　　　　　 ，进而被吞噬细胞吞噬消化。

(3)记忆细胞可以在抗原消失后很长时间内保持对这种抗原的　　　　 ，当再接触这种抗原时，能　　　　　　　　　　　　　　　　　　　　　　　 。