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【单选题】
I suggest we go to the Italian restaurant - it's very good and ________ it's very cheap.
A.
therefore
B.
furthermore
C.
nonetheless
D.
contrarily
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【简答题】A.onB.inC.ofD.as
【简答题】阅读理解: C :Terrafugia Inc .said Monday that its new flying car has completed its first flight,bringing the company closer to its goal阅读理解: C Terrafugia Inc .said Monday that its new flying car has compl...
【简答题】阅读理解。 Terrafugia Company has said that its flying car, named Transition, has successfully finished a 37-second test flight. On March 5, 2009, at Plattsburgh International Airport in New York. It was p...
【简答题】(1)铝是地壳中含量最大的金属,铝质轻,燃烧时放热量高,在常温常压下,9g的铝粉完全燃烧生成固态的A 2 O 3 时放出235kJ的热,则这个反应的热化学方程式为______; (2)中国是世界上最大的电冶铝国家之一,电冶铝的原料是氧化铝,在熔融下进行电解,试写出电解法冶炼铝的方程式为______; (3)铝用途很广,在电化学中常用于充当电极材料.把铝和镁用导线连接后,若插入到稀硫酸中,则正极是_...
【判断题】操作票上应填写编号、操作开始时间、操作终了时间、操作任务、操作顺序、操作项目、备注,并应有操作人、监护人、值班负责人等人的签名。
A.
正确
B.
错误
【判断题】选择综合防垢剂中各成分时,对碳酸盐硬度大的水质,宜适当增加氢氧化钠用量;非碳酸盐硬度大,特别是硫酸根含量高时,需多用碳酸钠,但如锅炉压力较高,则考虑会有部分碳酸钠水解,需要适当增加磷酸三钠的用量,以保证钙、镁离子能完全沉淀。()
A.
正确
B.
错误
【单选题】当水中含有大量硫酸钠、硫酸镁时,水质呈
A.
苦味
B.
咸味
C.
涩味
D.
沼泽味
E.
汽油味
【简答题】阅读理解。 The Terrafugia, a small airplane that can drive on roads and has been billed as the first 'flying car', is now one step closer to becoming street-and-sky-legal. The vehicle has cleared a Federal...
【判断题】填土土料的含水量越小,填土压实质量越好
A.
正确
B.
错误
【单选题】Na+ 和水流经近端小管后,被重吸收回血液的量是()
A.
65 %~70%
B.
70%~75%
C.
75%~80%
D.
80%~99%
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