动脉导管未闭的肺血改变是A．肺血正常B．肺淤血C．肺出血D．肺缺血E．肺充血 发布时间：2017-12-13 09:08 │ 来源：www.tikuol.com 题型：单项选择题 问题： 动脉导管未闭的肺血改变是A．肺血正常B．肺淤血C．肺出血D．肺缺血E．肺充血
题型：单项选择题 书面表达 假如你是李华,你在杂志Panorama上读到以下广告: Don't you want a better world for you and your children? GREEN PLANET Then why not join Association(协会) For Environmental Protection Meetings informing you about what's happening in the world Talks given Materials, mailed to members, with uptodate reports, maps and fact files MEMBERSHIP FEE $ 30 之后你想加入这一组织.请你给该组织写一封信,了解以下细节,并提出你对活动的建议. meetings 多久举行一次,地点 talks 专家还是会员主讲 materials 是否额外收费 membership fee 对学生是否优惠 注意: 1. 词数:100左右； 2. 参考词汇:优惠的会员费 reduced membership fee 额外收费 extra charge 3. 信的开头和结尾已为你写好,不计入总词数.Dear Sir/ Madam, I'm writing to you with regard to your advertisement published in the magazine "Panorama"．_________________________________________________________________________________________________________________________________________ I am looking forward to hearing from you at your earliest convenience. Yours faithfully, Li Hua 查看答案
题型：单项选择题 甲与乙是好朋友。一日，甲对乙表示，愿以1300元的价格将自己一台八成新的彩电出卖给乙。因为乙不需要，遂将这一消息告知丙，丙向甲表示愿以1300元买下甲的彩电。丙的行为属于( )A．要约邀请 B．要约C．承诺 D．反要约 查看答案
题型：单项选择题 After you activate your emergency position indicating radiobeacon，you should（）.A.turn it off for five minutes every half-hourB.turn it off and on at five-minute intervalsC.turn it off during daylight hoursD.leave it on continuously 查看答案