研究昆虫触角有哪些意义?
参考答案:
(1)鉴别种类的重要依据.(2)防治的需要.(3)仿生学的应用.
—David, these are my friends, Bob and Mike.
—______[ ]
A. How are you?
B. Thanks.
C. What's your name?
D. Nice to meet you!
一男性患者35岁,3天前受凉后头痛,畏寒,继而高热,咳嗽,咳铁锈色痰,左侧胸痛,气急不能平卧,X线检查:左肺下叶可见大片阴影。应诊断为()。
A.肺转移瘤
B.肺出血肾炎综合征
C.肺癌继发感染
D.大叶性肺炎
E.支气管扩张症