以下哪点不是微波通信所具有的特点?()A.频带宽 B.通信容量大 C.传输损伤大 D

题型:单项选择题

问题:

以下哪点不是微波通信所具有的特点?()

A.频带宽

B.通信容量大

C.传输损伤大

D.抗干扰能力强

考点:代维资格考试基站代维基站代维题库
题型:单项选择题

有人说:“隋朝,犹如一颗流星划过历史的夜空,时间虽然短暂却光芒四射。”它类似于下列哪一个朝代[ ]

A.秦朝            

B.西汉          

C.东汉           

D.西周

题型:单项选择题

女,62岁。上腹不适、黄疸1个月,CT检查如图。

CT诊断最可能为()

A.胆管结石

B.胆管细胞癌

C.硬化性胆管炎

D.慢性胆管炎

E.胰腺癌

题型:单项选择题

关于噻嗪类利尿药降压作用机制,下列哪一项是错误的

A.排钠利尿,细胞外液和血容量减少

B.降低动脉壁细胞内钠的含量,使胞内钙量减少

C.降低血管平滑肌对血管活性物质的反应性

D.诱导动脉壁产生扩血管物质

E.长期应用噻嗪类药物,可降低血浆肾素活性

题型:单项选择题

If there is a building which symbolizes a country—such as the Eiffel Tower for France and Sydney Opera House for Australia, then it has to be the Taj Mahal for India.

__71__From the time they got married, they wouldn’t be separated. She followed him to wars, advised him on affairs of state, and loved by his people for her good work. __72__The emperor was heartbroken and had the Taj Mahal built as a sign of his love.

It took more than twenty years for the Taj to be built. Workers were brought in, not only from all over Indian, but from central Asia, too. __73__

In 1657, Shan Jahan fell ill and in 1658 his son, Aurangzeb, imprisoned his father and seized the power. Shah Jahan stayed in prison until his death in 1666. He was finally buried there with his wife he could never forget.

__74__As it is built with white marble stones, its character changes in different lights. It looks more beautiful at sunrise and sunset. At sunset, for example, the color of the Taj changes from white to yellow, then to pink. __75__.

To show respect to the Taj, tourists are asked to take off their shoes during their visit.

A.The Taj is definitely worth more than a single visit.

B.A total of 20,000 people worked on the building.

C.The Taj Mahal is a symbol of India.

D.But she died in 1631 during her childbirth.E.Shah Jahan built the Taj Mahal to memorize his wife.

F.As the moon rises, it turns a silvery white.

G.It was set up by Emperor Shah Jahan in 1653 in memory of his wife, Mumtaz Mahal.

题型:单项选择题

()是决定矿渣活性大小的主要因素。

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