题目

静止的质点，在两个互成锐角的恒力F1、F2作用下开始运动，经过一段时间后撤掉F1 ， 则质点在撤去前、后两个阶段中的运动情况分别是（） A . 匀加速直线运动，匀变速曲线运动 B . 匀加速直线运动，匀减速直线运动 C . 匀变速曲线运动，匀速圆周运动 D . 匀加速直线运动，匀速圆周运动 答案：AWe are looking for energetic volunteers who might be willing to volunteer their time. It’s a great way to build your volunteer experience, get involved in your community, meet new people and show your pride.Computer TeacherThe computer teacher will be responsible for teaching older adults computer skills, including basic skills such as turning on computer or more media skills such as setting up email. This position requires patience, dedication and long hours on your feet. Computer skills needed. Ask Mandy, 01313377227.Meals on WheelsDo you have time in your schedule to make a difference in the lives of seniors in your community? Meals on Wheels drivers deliver nutritious lunchtime meals to homebound seniors on weekdays from 11 a.m. to 1 p.m. Our aim is to help seniors who are unable to go out themselves due to age or disability. A valid driver’s license and personal vehicle is required. Call Lucy,（781）2727177.Tree Nursery VolunteerTasks are different according to season, but may include: collecting tree seeds from ancient woodland, preparing seeds for sowing, planting trees and tree aftercare. Some of the work is physical and outdoors, others such as seed preparation can be done indoors. No experience is necessary, but a knowledge or interest in botany would certainly be helpful. Ask Amrita, 07748623073.Photography Volunteer If you have a talent for photography, this may be the role for you. We need someone who can take great photos for posters and websites. We especially need photos of our events and volunteers. This is a great opportunity to gain valuable work experience. You’ll also gain the satisfaction of seeing your work being displayed on the National Trust website and in literature. Ask Sarah, 01248600954.【小题1】 If you are interested in teaching, you can get in touch with ________.A．Mandy B．Lucy C．Amrita D．Sarah 【小题2】What do Meals on Wheels volunteers deliver for the seniors?A．Breakfast. B．Lunch. C．Supper. D．Snack. 【小题3】Which kind of voluntary work doesn’t require special experience or skills?A．Computer Teacher. B．Meals on Wheels. C．Tree Nursery Volunteer. D．Photography Volunteer.