Which of the following is INCORRECT about visual aids?? Visual aids include charts, pictures, videos and PPT.|We should keep visual aids simple.|Visual aids should be large enough.;|Color and fronts are not important in visual aids.
Which of the following is INCORRECT about visual aids?? Visual aids include charts, pictures, videos and PPT.|We should keep visual aids simple.|Visual aids should be large enough.;|Color and fronts are not important in visual aids.
AIDS has become one of the first killers to human beings. Despite their lack of success so far, scientists have ________ in their research for a cure for AIDS.
AIDS has become one of the first killers to human beings. Despite their lack of success so far, scientists have ________ in their research for a cure for AIDS.
It can be inferred from the passage that China fall behind South Africa because ______. A: there are not enough medical experts in AIDS. B: the government's attitude toward AIDS problem is still to be changed. C: of the lack of experience. D: china have not enough money.
It can be inferred from the passage that China fall behind South Africa because ______. A: there are not enough medical experts in AIDS. B: the government's attitude toward AIDS problem is still to be changed. C: of the lack of experience. D: china have not enough money.
Maybe in the future, doctors will find a ______ for AIDS.
Maybe in the future, doctors will find a ______ for AIDS.
Many people remain ______ about the risks of AIDS.
Many people remain ______ about the risks of AIDS.
PowerPoint is the most widely used visua...orms of visual aids.
PowerPoint is the most widely used visua...orms of visual aids.
The big challenge Johnson tries to overcome in this video is AIDS.
The big challenge Johnson tries to overcome in this video is AIDS.
All the people in the world should work together to fight against AIDS.
All the people in the world should work together to fight against AIDS.
Maybe in the future, doctors will find a _______ for AIDS. A: health hazard B: cure
Maybe in the future, doctors will find a _______ for AIDS. A: health hazard B: cure
The significance of the finding is that ______. A: people now know the number of chimpanzees is much smaller than expected B: it may make it possible for scientists to discover new ways of treating AIDS. C: it proves some deadly human diseases can also be transmitted to wild animals D: it will soon help the scientists develop a vaccine that prevents the AIDS virus
The significance of the finding is that ______. A: people now know the number of chimpanzees is much smaller than expected B: it may make it possible for scientists to discover new ways of treating AIDS. C: it proves some deadly human diseases can also be transmitted to wild animals D: it will soon help the scientists develop a vaccine that prevents the AIDS virus