【简答题】A.Blood pressure, body weight and lifestyles. B.Blood levels, blood pressure and lifestyles. C.Blood pressure, age and lifestyles. D.Blood pressure, blood levels and body weight.
【简答题】阅读理解。 Many hospitals have blood banks. In these banks, blood of all types is stored. When blood is needed, it is taken from the bank. Healthy people then give blood to the bank to replace (取代) the blo...