【名词&注释】
铝合金(aluminum alloy)、遗传信息(genetic information)、注意力(attention)、生物膜(biofilm)、蕨类植物(pteridophyte)、电解液(electrolyte)、生活史(life history)、配子体(gametophyte)、孢子体(sporophyte)、心猿意马(capricious)
[单选题]下列不属于生态系统信息传递的是
A. 心猿意马(capricious)
B. 飞蛾扑火
C. 花香引蝶
D. 老马识途
查看答案&解析查看所有试题
学习资料:
[单选题]67 What does the author think is a surprise?
A. Teen smokers are price sensitive.
B. Some states still keep the tobacco tax low.
C. Tobacco taxes improve public health.
D. Tobacco industry fiercely fights the tax rise.
[多选题]脂质具有的生物学功能是
A. 构成生物膜 B.调节生理代谢
B. 储存能量 D.携带遗传信息
[单选题]_____ by the advances in technology, many farmers have set up wind farms on their land.
A. Being encouraged B. Encouraging
B. Encouraged D. Having encouraged
[单选题]-It looks heavy. Can I give you a hand? - .
A. No, thanks
B. Yes, my pleasure
C. No, never mind
D. Yes, I do
[单选题]44_________
A. containing
B. hiding
C. sharing
D. keeping
[单选题]茫茫黑夜中,航标灯为航海员指明了方向。航标灯的电源必须长效、稳定。我国科技工作者研制出以铝合金、Pt-Fe合金网为电极材料的海水电池。在这种电池中①铝合金是阳极 ②铝合金是负极
A. ③海水是电解液 ④铝合金电极发生还原反应
B. ②③
C. ②④
D. ①②
E. ①④
[单选题]在蕨类植物生活史(life history)中一般是孢子体(sporophyte)占优势,但也有少数种类是配子体(gametophyte)占优势。( )
A. 正确
B. 错误
本文链接:https://www.51ksbd.net/show/0zjx73.html