小红看一本故事书,每天看12页,9天看完;如果6天看完,他第二天应从第几页看起?
12×9÷6+1,
=18+1,
=19(页);
答:如果6天看完,他第二天应从第19页看起.
寄生虫
A client with hepatitis A expresses concern that his friends may also acquire hepatitis. Which of the following is most commonly used for prophylactic treatment of people exposed to hepatitis A
A.Penicillin.
B.Sulfadiazine (Microsulfon).
C.Immune serum globulin.
D.Interferon.