A

小题1:How much are the musical tickets for two children?

A. 16 pounds,         B, 35 pounds.        C. 30 pounds.        D. 40 pounds.

小题2:When will the Teenage Drawing Competition be held?

A．On June 7th.

B．On August 6th.

C．On September 20th.

D．On April 25th.小题3:Where can you watch Adele's performance this Sunday afternoon?

A．At St. James' s Park.

B．At Westfield Theater.

C．At Westfield Shopping Center.

D．At Cambridge Theater.

老年人卡那霉素时应谨慎，主要因为

A．老年人肝血流量减少，肝功能下降，从而使血药浓度升高

B．老年人血浆蛋白含量降低

C．老年人体内水分减少、药物颁布容积降低

D．老年人肾功能降低，药物半衰期延长、耳、肾毒性增加

E．老年人易产生肺毒性反应