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【简答题】

Section 2 Questions 11-20 Question 11 Choose the correct letter, A,B or C. 11 According to the speaker,the main purposes of the park are A. eductional and entertainment. B. research and education. C. research and entertainment. Questions 12-14 Label the plan below. Write NO MORE THAN TWO WORDS for each answer. Questions 15-20. Choose the correct letter,A,B or C.

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【单选题】关于结核,以下说法错误的是

A.
结核分枝杆菌在室温和暗处的干燥痰中可存活6~8个月,对湿热的抵抗力很差
B.
长期排菌的慢性纤维空洞型肺结核患者为最主要的传染源
C.
经呼吸道传播是结核唯一的传播途径
D.
人群对结核普遍易感
E.
在耳鼻咽喉结核中,以喉结核及颈淋巴结结核最为多见,鼻腔结核最少