两盏白炽灯甲和乙,分别标有“220V10W”和“220V100W”并联接在220 发布时间:2017-05-24 11:24 │ 来源:www.tikuol.com 题型:填空题 问题: 两盏白炽灯甲和乙,分别标有“220V 10W”和“220V 100W”并联接在220V的电源上电流之比I甲:I乙为______,串联接在220V的电源上,两灯的实际功率之比W甲:W乙为______.
题型:填空题 女性,31岁。乏力半年。查体:脾大。血常规:WBC82.0×109/L,HGB90g/L,PLT198×109/L。骨髓增生明显活跃,原始细胞8%,BCR-ABL融合基因阳性。能使其达到生物学缓解的首选药物是().A.白消安B.羟基脲C.伊马替尼D.α-干扰素E.环磷酰胺 查看答案
题型:填空题 根据句意及首字母提示在横线处填上恰当的单词,使句子意思完整,语法正确。1. There is a long water s_____ in the Water World.2. The vegetables at the m______are cheaper than those at the supermarket.3. I kept waiting for my girlfriend for two hours but she didn't______up.4. All the s______in the restaurant are very kind and helpful.5. The boy jumped up and down like a c______. Everyone laughed. 查看答案
题型:填空题 根据《±800kV及以下直流架空输电线路工程施工及验收规程》(DL/T5235-2010),对浇灌混凝土或砂浆的强度检验应以试块为依据,试块的制作应每基取()组。A.1B.2C.3D.4 查看答案