By tradition, on __________ Independence Day, Americans play sports, have barbecues and hold parties throughout __________ day to celebrate this festival.

A．the, the

B．a, the

C．the, a

D．/, the

患者，男，28岁，毒性弥漫性甲状腺肿患者，年幼时有哮喘史，不宜用何种药物（）

A.丙基硫氧嘧啶

B.甲巯咪唑（他巴唑）

C.卡比马唑

D.甲状腺素制剂

E.普萘洛尔