According to the news item, what is the casualty of the fire at the hospital in Japan？
A. 2 were injured and 8 were killed.
B. 4 were injured and 2 were killed.
C. 8 were injured and 10 were killed.
D. 10 were injured and 4 were killed.
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What is the news item mainly about？
A. The death of Ghanaian late President.
B. Hillary Clinton"s visit to Ghana.
C. The election campaign in Ghana.
D. The democratic movement in Ghana.
According to the interviewee, what is the problem with the research？
A. The researchers can"t explain what leads to the finding.
B. Researchers only do the tests on one kind of bacteria.
C. The research is still in the stage of controlled lab tests.
D. There are still some flaws in the procedure of the research.
According to the researchers, what should doctors do to treat diseases like HIV？
A. Develope new drugs to avoid resistance.
B. Stop using drugs when the patient"s condition allows.
C. Use different drugs in turn during the treatment.
D. Change the combination of drugs from time to time.
According to the interviewee, how do bacteria develop resistance？
A. Some bacteria are so strong that drugs can"t get into the cells.
B. Some bacteria are able to drive the drugs out of their cells.
C. Some bacteria are able to hide behind other ones.
D. Some bacteria can reproduce before they are killed by drugs.
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