听力原文:Stem cells are undeveloped human cells that can grow into many or all of the different specialized cells in the human body. Although stem cells have been harvested from adults, the most versatile stem cells come from embryos. The main source of embryos is fertility clinics. Vitro fertilization, the process that produces test-tube babies, involves the fertilization of eggs to produce embryos outside the woman's body.
Which of the following statements is NOT true of the passage?
A. It discusses fertility clinics.
B. It defines stem cells.
C. It mentions artificial fertilization.
D. It identifies the origins of stem cells.
查看答案
Which of the following statements is NOT tree of "free flight"?
A. Commercial aircraft is guided by GPS.
B. Civilian aircraft are free to move over all territories.
Cargo carriers no longer collide with one another.
D. Passenger flights are safe to fly with military aircrafts.
What happens to the female elephant when it dies?
A. The others take a bit of its dead body away.
B. The others eat its dead body.
C. The others bury it near their home.
D. The others leave it soon.
【C8】
A. a few days
B. few days
C. a few hours
D. a few minutes
听力原文:W: Hi, John, how's your project going?
M: Oh, just so so. You know, it seems less difficult to get financial support for the project than to get trained men.
Q: What do we know about the man's project?
(16)
A. He did quite well with it.
B. He has money problem now.
C. He is in need of qualified staff.
D. He could not carry it on any more.