正确答案: A
1%
题目:生态系统中的植物群落光能利用率一般是( )
解析:A
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举一反三的答案和解析:
[单选题]生产力最大的生态系统类型是( )
森林生态系统
[单选题]lgHb可结合的氧量是 ( )
1.34~1.39mL
[多选题]Direction: Pick out the appropriate expression from the eight choices and complete the following dialogue by blackening the corresponding letter on the answer sheet.
What happened?
Nice to meet you.
No trouble at all.
解析:B,D,F,H,A
[单选题]德育过程是对学生知、情、意、行的培养提高过程,其实施顺序是( )
根据具体情况选择多种开端
[单选题]与放射物质无关的肿瘤是( )
肾癌
[单选题]Diana was reading Harry Potter and the Goblet of Fire, completely ____ in the mysterious world.
lost
[单选题]动物对冷环境的适应最直接的方式是( )
增加脂肪,减少热量的散失和增加体内产生的热量
[单选题]睾丸间质细胞的生理功能是 ( )
分泌雄激素