听力原文：W: Hey, Dave! I havent seen you for ages. How have you been？ M: Oh, Im doing oka

A．Colleagues.

B．Classmates.

C．Teacher and student.

D．Employer and employee.

An appropriate title for the text is most likely to be

A.Fors and Againsts of DNA Testing.

B.DNA Testing and Its Problems.

C. DNA Testing Outside the Lab.

D. Lies Behind DNA Testing.

The first two paragraphs of the passage shows PTKs______.

A.easy availability.

B.flexibility in pricing.

C.successful promotion.

D.popularity with households

A．During the Industrial Revolution.

B．In the Middle Ages.

C．After the Second World War.

D．After the invention of televisions.

A．The British.

B．The Americans.

C．The Romans.

D．The Russians.

A．Study plans.

B．Summer vacation plans.

C．Ways of earning money.

D．A dance course.

will go to Hong Kong for shopping. Well buy you some gifts. Q: What do we learn from this conversation?2．

A．He"d like to have the same stereo CD system.

B．The stereo CD system is very expensive.

C．Steve knows a lot about the stereo CD system.

D．The stereo CD system is not easy to operate.

A．They decide to go out to eat.

B．They eat at a friend"s house.

C．They eat something different at home.

D．They decide to eat nothing at all.

hat? M: Ah, now dont complain! W: But what is it, and where is mum? M: Now, your mum put me in charge of dinner because shes not feeling well tonight. W: But what is it... and that smell? M: Its pizza. I just followed an old family recipe here, and... W: Let me see that... Oh, Dad. M: What? W: Youre missing a page! M: Oh, uh, well, uh... well I couldnt find the second page of the recipe, but dont worry. I have plenty of experience around the house. Plenty of experience of cooking. W: Thats not what mum says. M: Well, wait, wait. Here let me try a piece first. Here, let me, let me cool this off here. Oh, yeah. Oh, this is great stuff. W: Yeah right. Why are you making that face? M: Well, well, its just, just a little rich for me. Thats all. W: Let me try it, Dad. Uh, Dad. You put a little too much salt in it and besides its burned. M:Well... W: And whats that? M: Oh, well, well, thats just part of my own adaptation to the recipe. I added some pumpkin. W: Oh, not another one of your surprises. Pumpkin doesnt go on pizza! M: Well, okay, well, so what? Uh, what do we do now? W: Well, how about some cold cereal... You cant mess up on that, Dad. Questions 13 to 15 are based on the conversation you have just heard. 13. What does the conversation imply about the mother? 14. How does the girl know her father doesnt like the pizza he prepared? 15. What do the speakers end up doing for lunch?14．

A．He tells her honestly what he thinks about it.

B．He refuses to eat it.

C．He throws it away after making it.

D．She can tell by his non-verbal expressions.