The author's main purpose in writing the article is to warn of

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:15:42 免费下载:《单选题》Word试卷

The author's main purpose in writing the article is to warn of
A.warm weather.
B.hot weather.
C.a new ice age.
D.a new iceberg.

本题关键词:乙型肝炎病毒核心抗体诊断试剂盒(酶联免疫法)Diagnostic Kit for Antibody to Hepatitis B Core Antigen(ELISA);