气焊低碳钢时,产生裂纹倾向是由于钢中()较多。A.含氢量 B.含硫、磷量 C.含锰量

题型:单项选择题

问题:

气焊低碳钢时,产生裂纹倾向是由于钢中()较多。

A.含氢量

B.含硫、磷量

C.含锰量

考点:焊工技能考试气焊工技师考试气焊工技师考试题库
题型:单项选择题

营养不良小儿皮下脂肪逐渐减少,其脂肪最后消失的部位是()

A.腹部

B.躯干

C.臀部

D.四肢

E.面颊

题型:单项选择题

当混凝土强度等级小于C60时,用非标准试件测得的强度值均应乘以尺寸换算系数,其值为对200mm×200mm×200mm试件为(),对100mm×100mm×100mm试件为()。

A.1.05 0.95

B.095 1.05

C.1.0 0.95

D.1.0 1.0

题型:单项选择题

资产负债表定义中所强调的"特定日期"是指编制的资产负债表所涵盖的会计期间的()。

A.开始那天

B.任意一天

C.最后那天

D.第二天

题型:单项选择题

American Museum of Natural History is one of the largest natural and historic museums in the world and one of the main natural history research and education centres in the United States, set up in 1869 and located in the west of the Central Park, Manhattan District, New York. It (1) 7 hectares in its total area, (2) classical types of buildings. The (3) of ancient creatures and humanity is (4) the first place of all the museums in the world, (5) the representative samples from South America, Africa, Europe, Asia and Australia were collected, besides those from the (6) country, the United States.

In the museum, there are five kinds of exhibits, including astronomy, mineralogy, human history, and animals in the (7) times and those in modern times. There are thirty-eight exhibition halls with different (8) from 500 to 1,500 square metres. Besides these, there is a Roosevelt Memorial Hall in (9) of President Roosevelt who supported the (10) of the museum, which is also used to have a special exhibition, showing the new important (11) on natural sciences and (12) affairs and social problems, and special topics connected closely with the life of the citizens. Besides this, it is also used for avocation (13) to have all kinds of scientific activities in the laboratories, centres of natural science and centres for citizens. There are more than 10 (14) research departments mainly (15) for collection of samples, research and work of publication.

In the museum, there are (16) and sub-libraries of Aulspond ancient amniote, with about 300 thousand books and magazines (17) natural history, many of (18) are very valuable monographs for the first edition. It has published many expert books and magazines, and a large number of propaganda materials, (19) which are the two magazines, Natural History and Members of Museum that have the biggest (20) of their magazines.

19()

A.in

B.by

C.for

D.among

题型:单项选择题

护士在病人进行妇科检查中正确的配合是

A.应导尿排空膀胱
B.取自由体位
C.所有病人均做 * * 检查准备
D.病人所用用具应消毒
E.臀垫如无污染,可继续使用

更多题库