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【简答题】
已知某电炉接在220V的电源上,正常工作时通过电阻丝的电流为5A,求此时电阻丝的电阻为多少?
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参考答案:
举一反三
【多选题】Find out the INCORRECT matches of the writer and his/her works:
A.
Jonathan Swift - Gulliver's Travels
B.
Daniel Defoe - Robinson Crusoe
C.
Alxander Pope - Twelfth Night
D.
Samuel Johnson - Of Marriage and Single Life
E.
Henry Fielding - The History of Tom Jones, a Foundling
【多选题】贯穿于植物体各器官中输导同化产物的细胞是()。
A.
导管
B.
筛管
C.
管胞
D.
筛胞
【单选题】砌筑砂浆试块的基本尺寸是边长( )的立方体。
A.
100mm
B.
150mm
C.
200mm
D.
70.7mm
【单选题】Why did he take pictures of one of the two women?
A.
Because he knew one of the two women and wanted to take a picture of her.
B.
Because that was one of the few exciting things in his job.
C.
Because he was well-trained as a secret agent.
D.
Because he was so bored and wanted to entertain himself.
【单选题】下列哪种蛋白在糙面内质网上合成?(    )
A.
actin    
B.
DNA聚合酶  
C.
ATPase
D.
胰蛋白酶    
E.
组蛋白
【单选题】下列语言单位中全是重叠式合成词的一组是()。
A.
徐徐;习习;原原本本
B.
常常;渐渐;汩汩
C.
哥哥;铮铮;花花绿绿
D.
悄悄;偷偷;偷偷摸摸
【单选题】石灰法除磷所投加的石灰一般是 ( )
A.
CaO
B.
Ca(OH) 2
C.
CaCO 3
D.
Ca(HCO 3 ) 2
【单选题】以下哪种蛋白质在合成过程中与糙面内质网上有关?
A.
向细胞外分泌的蛋白。
B.
组蛋白。
C.
细胞质基质中的驻留蛋白。
D.
核糖体蛋白
【单选题】We _____ had told her that she failed the examination.
A.
rather than
B.
would rather
C.
or rather
D.
would like
【多选题】利用账龄分析表,可了解下列情况()
A.
信用期内的应收账款数额
B.
信用期内应收账款的还款日期
C.
预期的应收账款数额
D.
逾期应收账款的还款日期
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