What, according to Hodge, should people do before doing drills with a cold？A．Determine the

According to the passage, what should be understood by governments？A．The link between the

According to the speaker, what should we do to prevent a population explosion？A．To take ac

According to the researchers, what should doctors do to treat diseases like HIV？A．Develope

According to the interviewee, what should be done to prevent deaths？A．Improving the techno

What should scientists do to improve science education according to the interviewee？A．To u

According to the author, what should the Administration do about global warming？[A] Off