多机协吊设备时,各台起重机的最大载荷不宜超过其额定起重量的()。A、20% B、30 发布时间:2019-09-28 05:05 │ 来源:www.tikuol.com 题型:单项选择题 问题: 多机协吊设备时,各台起重机的最大载荷不宜超过其额定起重量的()。A、20%B、30%C、80%D、90%
题型:单项选择题 在下列横线处补写与加粗的句子类似的语句。大自然中的万物都在表现自己,假若春笋不表现自己,怎么有浓郁苍翠的竹林?假若溪流____________________________________,____________________________________? 查看答案
题型:单项选择题 It is possible that the majority of the teenagers accepted the advantages of the iPad. In most cases they were expressing strong opinions about it. But today we already know that another three high-end computer tablets(平板电脑) are going on sale, with the aim of taking a bite out of the iPad's market. For tablet computer fans, iPad may not be the only choice, as the Motorola Xoom, the HP Touchpad and the BlackBerry PlayBook will have been launched (推出)by this summer, according to foreign media reports on Tuesday. Here is Product Information Guide as follows. We would like to listen to your reviews later. Apple iPad2Size: 9.7 inch screen, 8.8mm thickWeight: 601g (Wi-Fi only version)Battery life: 10 hours of heavy usePrice: a base price of $499(3,278yuan)Available(可使用的): March 11, 2011 in the USStrength: over 65,000 *apps that are fit for the iPadWeakness: lack of USB port and flash support Motorola XoomSize: 10.1 inch screen, 13mm thickWeight: 730gBattery life: 8hours of heavy usePrice: $800(5,252RMByuan)Available: now Strength: great multi-tasking feature, better cameras than the iPad2 Weakness: limited options(选择权)of apps HP TouchpadSize: 9.7 inch screen, 13mm thickWeight: 740gBattery life: 8hours of heavy usePrice: not yet announcedAvailable: summer 2011Strength: killer software features, including a virtual(虚拟的) keyboard which comes in four sizesWeakness: lack of a rear-mounted(后置式) camera which would allow users to get images and photos BlackBerry PlayBookSize: 7- inch screen, 10mm thickWeight: 400gBattery life: 8hours of heavy usePrice: not yet announcedAvailable: Spring 2011Strength: business-oriented, powerful multitasker, excellent data security(安全) Weakness: Some features require users to have a Black-Berry phone小题1: Which type is the biggest one?A.Apple iPad 2B.Motorola XoomC.HP TouchpadD.BlackBerry PlayBook小题2:Which is True according to the passage? A. Apple ipad 2 has excellent data security. B. Four types above of Battery life are the same. C. Most people are satisfied with HP Touchpad. 小题3: Which one can you buy as a present with only 4000yuan RMB at hand? A.Apple iPad 2B.Motorola XroomC.None of the fourD.Any of the four 查看答案
题型:单项选择题 支气管哮喘见A.呼气性呼吸困难,双肺满布哮鸣音B.端坐呼吸,双肺底水泡音C.呼气性呼吸困难,两肺散在干湿性啰音D.发热、咳嗽,夜间阵发性气急,肺无异常体征E.进行性呼吸困难,咳嗽,痰中带血 查看答案
题型:单项选择题 (60~62题共用题干) 35周早产儿,出生时Apgar评分7分,生后5小时出现进行性呼吸困难及发绀,两肺呼吸音低,深吸气末少量湿性啰音。最可能的诊断( )A.羊水吸入综合征B.肺透明膜病C.新小儿湿肺D.感染性肺炎E.持续发生肺动脉高压 查看答案