雷诺综合征的特征是() A.发作性指(趾)缺血 B.间歇性跛行 C.蓝色炎性

题型:单项选择题

问题:

雷诺综合征的特征是()

A.发作性指(趾)缺血

B.间歇性跛行

C.蓝色炎性疼痛

D.白色炎性疼痛

E.患肢肿胀、发热

考点:心血管内科(医学高级)外周血管病外周血管病题库
题型:单项选择题

不属于昆虫的动物是 [ ]

A.菜粉蝶

B.蝗虫

C.蜜蜂

D.蜥蜴

题型:单项选择题
下列方程变形中,正确的是(  )
A.由
x
2
+1=
x
3
,得3x+1=2x
B.由
x
2
=-
x+1
3
,得3x=-2x+2
C.由2x=-3(x-1),得2x=-3x-3
D.由2x-1=3x-2,得2x-3x=-2+1
题型:单项选择题

进入人工处理环节后,系统自动获取任务。此时,可进行以下操作()。

A.修改文档信息

B.暂时跳过本文档

C.删除当前文档

D.提交文档

题型:单项选择题

炉膛产生正压,从着火孔,炉墙往外冒烟,可能是()。

A.满水事故

B.引风机风压不够

C.炉管爆管

D.汽水共腾

题型:单项选择题

B Egyptian Villages 埃及村落

Most of the inhabitants live in mud-brick homes, their (1)  walls insulating against the afternoon heat. Flat roofs, exposed (2)  the northern evening breezes, serve as cool sleeping (3)  as well as storage areas. Villagers plaster the outer walls (4)  often trim them in blue, a color they believe (5)  off the evil eye. As a man becomes richer, (6)  can add a second story to his house perhaps (7)  his married son. Those villagers who have made the (8)  to Mecca paint the legend of their trip on (9)  outer walls of their homes. Such hajj houses, along (10)  the mosques, are the most distinguished buildings in a (11)

Some villagers build ornate pigeon coops close to their (12) , using the birds as food and their droppings to (13)  crops. Many houses still have dirt floors and lack (14)  or running water; women with jars balanced on their (15)  make the trek to the community well, and children donkeys haul the (16)  liquid in jerry cans.

All (17)  said, government sponsored building programs have also brought newer (18)  residences and utilities to some villages, particularly those outside (19)  Nile Valley in the Oases and the Red Sea (20)  areas.

14.()

更多题库