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【简答题】
低压电器是指用于交流额定电压在( )V以下、直流额定电压在( )V以下的电路中的电气设备。在电路中起通断、控制、保护和调节作用的电气。
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举一反三
【判断题】协调与他人的工作可以看作管理职务不同于非管理职务的表现之一
A.
正确
B.
错误
【单选题】以下关于外键约束的描述不正确的是( )
A.
体现数据库中表之间的关系
B.
实现参照完整性
C.
以其它表主键约束唯一约束为前提
D.
每个表中都必须定义外键
【单选题】What detail in the article shows that pickleball has gotten very popular?
A.
Pickleball is a sport. It is like tennis and ping-pong.
B.
Some say pickleball got its name because of a neighbor's dog.
C.
It says more than 3 million people play the game!
D.
Anna Leigh Waters is 12 years old. She is a pickleball star.
【简答题】Stowage factor
【简答题】活性染料的结构可以用下列通式表示:S-D-B-Re,其中,S代表 , D代表 ,B代表 ,Re代表 。
【单选题】The stowage factor should be calculated().
A.
before the stowage plan is made
B.
when the stowage plan is made
C.
after the stowage plan is made
D.
before loading
【单选题】Read the paragraph below from the introduction [paragraphs 1-4]. Kelly Zimmerman helped set up the Facebook page. She says Emma loves the letters. More than 50,000 people have sent letters. What infor...
A.
the reason Emma loves dogs
B.
the number of letters Emma has gotten
C.
why Emma is in the hospital
D.
how therapy dogs help sick people
【判断题】近体诗又称“今体诗”,它成熟于唐代,即唐代的格律诗。
A.
正确
B.
错误
【单选题】When and where to go for the on-salary holiday yet.
A.
are not decided
B.
have not been decided
C.
is not being decide
D.
has not been decided
【单选题】She has been________ the running race because she did not win any of the practice races.
A.
prohibited from
B.
eliminated from
C.
removed away
D.
gotten rid of
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