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【单选题】
下列属于一级负荷的有()
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锅炉设备
C.
信号设备
D.
空调设备
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举一反三
【单选题】Which objective of a good speech introduction is fulfilled by the following statement? Today we will explore the three most important forms of intellectual property protection—copyrights, trademarks, ...
A.
Preview the body.
B.
Establish the speaker’s goodwill.
C.
State the importance of the topic.
D.
Summarize the introduction.
【单选题】目前的中国人普遍缺乏中国传统文化的学习和积累。根据某统计机构最近做的一次调查表明,中国人中喜欢和比较喜欢毛笔字艺术的只占到被调查人数的17%。 下列陈述中的哪一项最能削弱上述论证?( )
A.
调查的比例太小,恐怕不能反映当代中国人的真实情况
B.
喜欢毛笔字与学习中国传统文化不是一回事,不能以偏概全
C.
17%的比例正说明培养中国人对传统文化的兴趣大有潜力可挖
D.
有一些中国人既喜欢毛笔字,又对中国传统文化的其他方面有兴趣
【单选题】Which objective of a good speech introduction is fulfilled by the following statement? Today we will explore the three most important forms of intellectual property protection—copyrights, trademarks, ...
A.
Relate to the audience
B.
Preview the body
C.
Establish the speaker’s credibility
D.
State the importance of the topic
【单选题】Which objective of a good speech introduction is fulfilled by the following statement? Today we will explore the three most important forms of intellectual property protection—copyrights, trademarks, ...
A.
Relate to the audience.
B.
Preview the body.
C.
Establish the speaker’s goodwill.
D.
State the importance of the topic.
【判断题】隔离室可以和活动室在一起只要有通向街道的单独的通道和出口就可以。
A.
正确
B.
错误
【单选题】设y=f(x)的定义域是[-1,1],则y=f(x+a)+f(x-a)的定义域是( ), 其中。
A.
[a-1,a+1]
B.
[-a-1,-a+1]
C.
[1-a,a-1]
D.
[a-1,1-a]
【简答题】设函数f(x)的定义域为(-1,1),则函数y=f(2x-1)的定义域是______.
【多选题】黄褐斑的中医膏方调养的注意事项有( )
A.
要注意排除结核病、甲状腺疾病、红斑狼疮等疾病,积极调治妇科疾病
B.
平时注意起居规律,夏季少食生冷寒凉食品,冬季避免受寒湿侵犯
C.
黄褐斑的发生,虽然与性激素紊乱关系最为密切,但是紫外线照射却能直接导致皮肤色素沉着,加深色斑,所以要尽量避免日光照射
D.
面部慎用含香料的药物性化妆品,忌用刺激性药物及激素性药物
【单选题】Which objective of a good speech introduction is fulfilled by the following statement? Today we will explore the three most important forms of intellectual property protection—copyrights, trademarks, ...
A.
preview the body
B.
establish the speaker’s goodwill
C.
state the importance of the topic
D.
summarize the introduction
E.
relate to the audience
【简答题】设函数f(x)的定义域是N * ,且f(x+y)=f(x)+f(y)+xy,f(1)=1,则f(25)=______.
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