题型：问答题 简答题 第二节：情景作文（共1个小题，满分15分）Christina最近失眠，身心疲惫，她给doctor.webmd.com网站的专栏作者Ellen写了一封信，诉说了她的痛苦，希望能得到Ellen的帮助。请根据Christina的求助信写一封回信，帮助她解脱痛苦。要求：回信应根据Christina的来信展开，可任意发挥；词数在100个左右；信的首句和结尾已为你写好。 Dear Ellen, I was very happy and healthy before but recently things have changed a lot. Now I can’t sleep well. As soon as I lie on the bed, I will always think about the things in the day. I tried to sleep, but I just couldn’t. Sometimes I would turn in bed all night. This troubles me a lot. I really don’t know what I should do. Could you help me? Thank you very much. YoursChristinaDear Christina, I know how you are feeling now. ___________________________________________________________________________________________________________________Best wishes.Yours,Ellen 查看答案
题型：问答题 简答题 我国天然气天然气密度、相对密度和热值的计算方法的标准是（）。A、GB/T11062-1998B、GB/T11061-1997C、GB/T13609-1999D、GB/T11060.2-1998 查看答案
题型：问答题 简答题 下列关于硬指配的描述中正确的有（）。A.当手机空闲态指定频点待机时，使用接入载频优先指配能够使话务均匀的分布到各个载频，自动实现各载频负荷均衡B.如果同时有多个符合优先指配条件的载频，呼叫将被指配到负荷较轻的载频上C.每一种指配方式的指配对象都有其可用范围，当超出范围时，该指配方式就会失败D.华为指配方式的优先级从高到低依次为反向RSSI硬指配、业务类型/手机版本优先硬指配、接入载频优先硬指配、基本硬指配E.以上都正确 查看答案