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[ 所有信息 ][ 单选题 ] 列表
  • 选用电阻时,下列说法正确的是( )
  • Marcus Jordan does’t play basketball so _____ as his father, Michael Jordan.
  • It was very late, _____ the students still went on studying in the classroom.
  • They walked _____ the town looking for a place to eat.
  • About____ of the workers in the company were born in the_____.
  • Lucy made several paper planes, and _____ of them can fly high in the sky.
  • —How _____ is it from Xi’an to Dunhuang? —It’s less than 3 _____ flight.
  • 用一只直流电压表测量一只接在稳压电路中的稳压二极管(2CW13)的电压,读数只有0.7V,这种情况表明该稳压管( )
  • 质体中,能进行光合作用的是
  • 在进行徒手切片时,刀片切割的方向是( )。
  • 牛粪等有机肥在施用前错误的做法是
  • 为提高作物的复种指数,解决前后荏农作物生长季节矛盾的有效方法是
  • _____的病菌具有腐生兼寄生的特性
  • 属于光合有效辐射的光波范围是
  • 下列不属于质体的是( )。
  • “有心栽花花不开,无心插柳柳成荫”,这句话说明柳枝是
  • 生长素一般在_____时能促进茎的生长。
  • 钙镁磷肥在_____上施用效果最好。
  • 稳温和提墒的耕作措施是
  • 动力供电线路中,采用星形联结三相四线制供电,交流电频率为50Hz,线电压为380V,则( )