The notes for glossary (词汇) are very exact and particular, which could help readers to break the language         so directly and effectively.

A．defence

B．function

C．response

D．barrier

慢性非传染性疾病的主要危险因素致病的特点不包括

A．广泛存在

B．联合作用明显

C．特异性弱

D．致病作用强烈

E．潜伏期长