急性化脓性梗阻性胆管炎的治疗应是
A.出血速度快,呕血或便血B.出血速度较慢,便血为主C.出血伴腹痛,高烧D.少量便鲜血E.腹痛、发热、黄疸
参考答案:A
—Do you have any plans for Saturday?
—To tell you the truth,I have nothing in ______ for Saturday.
A.head
B.mind
C.heart
D.brain
植物的根埋在土中,不能与外界进行气体交换。 ( )