初二英语若干1.翻译：我过去常常很粗心,但现在我不会犯这样的错误了.I used to be very careless

初二英语若干
1.翻译：我过去常常很粗心,但现在我不会犯这样的错误了.
I used to be very careless ,but now ___________________ like this
2.Jane is used to swimming in winter,___ ____?(反意疑问句)
3.Experts say the main problem with such a robotic operation is based on high-speed telecommunications(通讯系统) between the doctor and the robot.Technology must be able to send a doctor's order to a robot to move the tool quickly.
Q:What ploblem must be solved if the doctors want to use the robot in the operation?__________________________________________________