【判断题】用万用表 1V档测光电二极管。用红表笔接光电二极管“+”极,黑表笔接“—”极,在光照下,其电压与光照强度成比例,一般可达0.02—0.04V。
【判断题】制作面包时,只要求所用面粉的面筋含量高,就可以做出好品质的面包。
【单选题】v-for语句的作用
D.
直接在一个对象上定义一个新属性,或者修改一个对象的现有属性, 并返回这个对象
【单选题】Please_____ the door .because the weather is cold.
【简答题】电压检测法:用万用表1V档,将红表笔接光电二极管正极,黑表笔接负极,在光照下,电压与( )成比例,一般电压可达到0.2V~0.4V。
【简答题】A.The soil has been overworked. B.The climate is cold. C.The weather is too dry. D.The soil is sandy.
【简答题】选词填空,补全句子。 April July January October 1. In ____________, the weather is cold. 2. In ____________, the weather is warm. 3. In ____________, the weather is hot. 4. In ____________, the weat...
【简答题】听录音,判断对错。对的画√,错的画×。 ( ) 1. The weather is cold. ( ) 2. It is warm. ( ) 3. It's hot. ( ) 4. The weather is cool. ( ) 5. There are twelve months in a year.
【单选题】人民创造历史,______开创未来。劳动是推动人类社会进步的根本力量。