如图所示,在探究“什么情况下磁可以生电”的实验中,保持磁体不动,闭合开关,导体ab水平向右运动,灵敏电流计指针向左偏转.下列说法正确的是( )
A:若导体ab水平向左运动,则灵敏电流计指针向右偏转
B:若导体ab竖直向上运动,则灵敏电流计指针向左偏转
C:若导体ab竖直向下运动,则灵敏电流计指针向左偏转
D:若导体ab向斜上方运动,则灵敏电流计指针不会偏转
在下面一段文字横线处补写恰当的语句,使整段文字语意完整连贯,内容贴切,逻辑严密。每处不超过15个字。
人们把一个说法看成“套话”,①____,但人们对许多套语不但没有反感,而且还有着强烈的好感。很多时候,人们称这些套话为箴言、格言、警句、名言、语录,甚至把它们当成至理名言。这样的套话看上去很有说服,②____,只能让人思想陷入懒惰。假若人的思想懒惰,没有独立思考的行为,时间一长,③____。
国家统一是国泰民安的前提。下列中国古代中央政府为巩固国家统一采取的措施,按时间先后顺序排列,应该是( )
①设宣政院 ②设伊犁将军
③设驻藏大臣 ④赐予五世达赖“达赖喇嘛”封号
根据短文内容完成下列句子,每空一词。 Mike and Peter are good friends. They are students. They go to school five days a week. Mike’s birthday is in the eleventh month of a year. Peter’s birthday is October 1st. That’s National Day. Mike likes playing basketball, but Peter likes playing soccer. Mike often wears sports shoes to play basketball. He likes white sports shoes. Mike’s birthday is coming. Peter goes to a sports store with his friend, Bill. They have alook at basketballs and sports shoes. At last, they buy a pair of white sports shoes for Mike. When Mike sees the shoes, he is very happy.