皮皮学,免费搜题
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搜题
【单选题】
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a ___.
A.
substandard ship
B.
over-standard ship
C.
reference ship
D.
standard ship.
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【简答题】在R-L-C串联电路中,R=30Ω,XL=30Ω,XC=30Ω,Z=______Ω。
【单选题】在R,L串联电路中,若R=30Ω,XL=40Ω,则电路的阻抗值为()
A.
70Ω
B.
50Ω
C.
20Ω
D.
10Ω
【单选题】What is the passage mainly about?
A.
Churchill's contribution to his country during World War 1I.
B.
Churchill as the greatest statesman in the history of Britain.
C.
Churchill as a person of many talents.
D.
Churchill's early years in the family and at school.
【单选题】化工管路中,氨气管保护层表面应涂()
A.
红色
B.
白色
C.
绿色
D.
黄色
【判断题】液控单向阀:当控制口工作时,可实现油液双向流动。
A.
正确
B.
错误
【单选题】电视片《楠溪江》结尾有两只鹅在水边戏水的镜头,在鹅低头的一刹那定格,并大厨字幕“欢迎”,重复三次,像是鹅在给观众鞠躬表示欢迎,这时字幕的作用是( )。
A.
说明
B.
强调
C.
解释、翻译
D.
修辞
【判断题】半球形插花作品的五点定位法,是将5枝同样长度的玫瑰插入花泥,在花器的中央、前后、左右,作为主轴,定出桌花的长、宽、高。底边的花材从侧面看,成水平,俯视看,成十字状。
A.
正确
B.
错误
【单选题】下列药物中,哪一个没有明显的抗炎作用?
A.
水杨酸钠
B.
对乙酰氨基酚
C.
吲哚美辛
D.
布洛芬
【简答题】Perhaps a parent’s most important contribution toward raising a trustful child is to develop a relationship founded on trust. A child of any age will feel proud and grown-up if parents frequently show...
【简答题】阅读 Contribute your idea to help the poor children who want to study in China A:Hi, everyone.There was an old topic which has gone now about the possible contribution to help the poor family or childre...
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