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举一反三
【单选题】地形因子是生态因子的间接因子。地形因子直接影响到光、温度、水和土壤因子的重新组合和分配,对树木的生长发育的影响遵从生态因子的影响规律。以下属于地形因子的是()
A.
地形起伏
B.
海拔高低
C.
坡向坡度
D.
空气湿度
【多选题】多选题以下属于生长因子的是()
A.
氨基酸
B.
嘌呤
C.
维生素
D.
蛋白胨
【判断题】农事学课程是农学专业必修课。
A.
正确
B.
错误
【单选题】以下属于细菌生长因子的是
A.
糖类
B.
维生素
C.
蛋白质
D.
无机盐
E.
微量元素
【单选题】What does the underlined word 'rumored' in the second paragraph mean?
A.
Confirmed by evidence.
B.
Showed by picture.
C.
Doubted and alleged.
D.
Discovered by scientists.
【单选题】听力原文: Psychologists have confirmed what writers have always believed: that books are literally the stuff of dreams. A survey has confirmed that people with a taste for fiction experienced dreams that ...
A.
People with a taste for science fiction.
B.
People who read thrillers.
C.
Women who like to read.
D.
Children who are able to read.
【单选题】The introduction of satellite technology into television broadcast ______.
A.
confirmed what Shakespeare said long ago
B.
changed the way television news is handled
C.
improved the sound effect of television news
D.
initiated a shift of emphasis to international politics
【判断题】As this is an order of substantial size, we cannot safely undertake to complete its manufacture in a month. ( 由于这是一笔大订单,我们没有把握在一个月内完成生产。 ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:...
A.
正确
B.
错误
【单选题】如有水痘病毒潜伏在体内神经系统未散,在遇到大病或不良环境时发作,会出现()。
A.
带状疱疹
B.
水痘疱疹
C.
生殖器疱疹
D.
单纯疱疹
【单选题】以下属于生长因子种类的是
A.
葡萄糖
B.
硝酸铵
C.
维生素B1
D.
磷酸二氢钾
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