影响原料品质的外部因素主要包括()化学因素和生物因素
A.生理因素
B.物理因素
C.湿度因素
D.温度因素
参考答案:B
根据短文内容和所给中文提示,写出空白处各单词的正确形式,每空限填一词。
Lionel Andres Messi is one of the greatest football stars in the world.
Messi was 小题1:_______(出生)in Rosaris, Argentia on June 24,1987,His father was a小题2:____(工人)and mother was a part-time cleaner. He has two 小题3:________(兄弟)and a sister. At the age of five, Messi started playing football for a local club. He practiced 小题4:______(七)hours or more each day. He was 小题5:______(充满)of energy and ran fast. He soon showed great talent in playing football.
Messi never gives up even if he小题6:_____(失败)or meets difficulties ,In 2006,he 小题7:_______(受伤,伤了)his foot badly, but he came back three months later and scored three goals in a match against Real Madrid. His fans all stood up and cheered for 小题8:_____(努力地)to be my best, first for my team, for the fans, and to try and 小题9:____(赢).Playing football is part of my life.”
三级管在汽车电子设备中的作用之一是()
A.控制大电流输出设备
B.作为某些小电流输入信号的接收元件
C.整流交流信号
D.作为某些小电流输出设备的控制开关