在KOH熔体中大气中的氧可将铬铁矿中Fe和的氧化态都转化为+6氧化态,lmol

题型:选择题

问题:

在KOH熔体中大气中的氧可将铬铁矿中Fe和的氧化态都转化为+6氧化态,lmol 在理论上需要多少摩尔氧气使之氧化

A.2mol

B.2.5mol

C.3mol

D.4mol

考点:氧化铁单质铁碱式碳酸铜氧化铜
题型:选择题

某女,35岁,因"查体发现镜下血尿1天"来诊,无尿频、尿急、尿痛,无腰痛及发热。查体:BP150/80mmHg,心肺(-),尿常规红细胞25个/HP,白细胞4~5个/HP,尿蛋白(+)。

如果相差显微镜尿红细胞形态检查变形红细胞为75%,24小时尿蛋白定量1.8g,肾脏超声未见异常,考虑哪种疾病可能性最大()

A.慢性肾盂肾炎

B.急性肾小球肾炎

C.慢性肾小球疾病

D.慢性间质性疾病

E.高血压肾损害

题型:选择题

蠕形螨寄生的部位是

A.有时可出现在外周血中

B.皮内隧道中

C.毛囊深部或皮脂腺内

D.皮下组织中

E.以上情况均可出现

题型:选择题

The Erie Canal was the first important national waterway built in the US. It crossed New York from Buffalo on Lake Erie Troy to Albany on the Hudson River. It joined the Great Lakes with the Atlantic Ocean. The canal served as a route over which industrial goods could flow into the west, and materials could pour into the east. The Erie Canal helped New York develop into the nation’s largest city.

The building of the canal was paid for entirely by the state of New York. It cost $ 7 143 789, but it soon gained its price many times over. Between 1825, when the canal was opened, and 1882, when toll charges were stopped, the state collected $121 461 891.

For a hundred years before the Erie was built, people had been talking about a canal which could join the Great Lakes and the Atlantic Ocean. The man who planned the Erie Canal and carried the plan through was De Witt Clinton. Those who were against the canal laughingly called it "Clinton’s Ditch". Clinton talked and wrote about the canal and drew up plans for it. He and Governor Morris went to Washington in 1812 to ask for help for the canal, but they were unsuccessful.

Clinton became governor of New York in 1817, and shortly afterwards, on July 4, 1817, broke ground for the canal in Rome, N. Y. The first part of the canal was completed in 1820. As the canal grew, towns along its course developed fast. The length of the canal is 363 miles.

It can be inferred that () into the Atlantic Ocean.

A. the Great Lakes flow

B. the Hudson River flows

C. Lake Erie flows

D. the Erie Canal flows

题型:选择题

比萨斜塔在()

A.德国

B.法国

C.意大利

D.英国

题型:选择题

以下哪个英雄在开启大招期间无法被选中()

A.蛮族之王

B.无双剑姬

C.瘟疫之源

D.诡术妖姬

更多题库