二项式（x﹣1）ⁿ的奇数项二项式系数和64，若（x﹣1）ⁿ=a₀+a₁（x+1）+a₂（x+1）²+…+a_n（x+1）ⁿ，则a₁等于（　　）

完成句子：根据句意，用括号内所给词组的适当形式填空。
(1)His parents____ (对……严格要求)him all the time.
(2)Get up earlier and you needn't go to work ____ (匆忙地)every morning.
(3)The young people____ (动身去)Tibet next Monday.
(4)You had better____ (试穿)the dress before you take it.
(5)She looks exactly like Kate.  We often ____ her ____ (把……误认为)Kate.

读课文《詹天佑》说说句中引号的作用

列车向东北前进，过了“人”字形线路的岔道口就倒过来，原先推的火车头拉，原先拉的火车头推，使列车折向西北前进。这样一来，火车上山就容易多了。