A: anti-neurohomone drugs
B: antiviral drugs
C: vaccines
D: antibiotics
举一反三
- 中国大学MOOC: Today, smallpox, polio, typhoid and measles are no longer common because most people have been protected from them by _______.
- 中国大学MOOC: Today, smallpox, polio, typhoid and measles are no longer common because most people have been protected by _______.
- ______ has been ended worldwide. A: Polio B: Measles C: Rubella D: Smallpox
- Today, most of people won’t study either Greek or Latin because （） A: they are no longer important B: people do not have enough time C: they are no longer existed D: people can not learn them well
- Which of the following can be inferred from the passage（） A: Few people will take drugs ff they are allowed B: The United Stated will be easily defeated if its citizens are allowed to take drugs C: It is a general practice to forbid drugs in different countries D: A majority of people will become addict to drugs if they are allowed to take them
内容
- 0
Why can middle-aged and old people have an easy access to drugs A: Drugs are covered by their social welfare. B: Drugs are covered by their medical care. C: They rely on drugs to kill their pains. D: They usually have money for drugs.
- 1
Smallpox can be effectively prevented by _______. A: vaccines B: penicillin C: antibiotics D: vitamines
- 2
3. Most people immediately _______ addiction with drugs, alcohol and cigarettes.
- 3
Most people are afraid of being operated on ______. A: unless it is an emergency operation B: in spite of improvement in modern surgery C: because they think modern drugs are dangerous D: because they do not believe they need anesthetics
- 4
Most of people are afraid of being operated on _______. A: in spite of improvements in modem surgery B: because they think modern drugs are dangerous C: because they do not believe they need anesthetics D: unless it is an emergency operation