主页
学科
搜索
账户
常见问题
当前学科:电力工程概预算
题目:
选择题
配电盘上装有计量仪表的电流互感器,其二次侧的铜芯绝缘导线截面不小于( )
A. 2.5mm2
B. 2mm2
C. 4mm2
D. 1.5mm2
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
男性,食管部分切除、食管胃吻合术后第5天,突然出现高热、寒战、呼吸困难、胸痛,白细胞20×109/L,高度怀疑发生了( ) A.肺炎、肺不张 B.吻合口瘘 C.吻合口狭窄 D.乳糜胸 E.出血
肝中乙酰CoA不能来自下列哪些物质()。
“中国革命第一山”是哪座山?()
老李夫妇育有一子一女,其子长期居住于国外,其女儿女婿遭遇车祸去世,老李夫妇与孙子一起生活,外孙女时常来看望,老李因病去世,根据《继承法》,下列人员中,无权继承老李遗产的是()。
保安人员在工作中,不能讲粗俗的话语,做到文明()。
完备性主要用于评价以下哪项内容()
RB200的荧光色泽为()
Promising Results from Cancer Study A new experimental vaccine(疫苗)has shown promising results in the fight against lung cancer.In a small Texas-based study,a vaccine developed by scientists at Baylor University Medical Centre in Dallas,USA,cured lung cancer in some patients and slowed the progress of the disease in others. Researchers have reported encouraging findings from this small study.Forty-three patients suffering from lung cancer were involved in these trials.Ten of these patients were in the early stages and thirty—three in the advanced stages of the disease.They were injected with me Vaccine every two weeks for three months,and were carefully monitored for three years.In three of the patients in me advanced stages of cancer,the disease disappeared and in the others,it did not spread for five to twenty—four months.However,no great difference was seen in the patients in the early stages of the illness. This new vaccine uses the patients’own immune、system.It is made specifically for each patient and is injected into the arm or leg.It stimulates the body’s immune system,which then recognizes that the cancer cells are harmful,and attacks and destroys them. The vaccine could be effective against other forms of cancer.It offers great hope for the treatment of cancer in general,although further studies are needed before such treatment can be widely used.根据以上内容,回答题。The vaccine cured all the participants in the trial.
下列哪部作品不是《安徒生童话》中的作品?()
把未饱和蒸汽变为饱和蒸汽,在不存在使液体继续气化的条件下,应采取以下何种措施()